20211551568

素因数分解:

$2^4\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{613}}^1$

素因数の和:768

約数の個数: 400

約数和(自身を含む): 67066679680

約数和(自身を除く): 46855128112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 27, 36, 38, 39, 48, 52, 54, 57, 72, 76, 78, 81, 103, 104, 108, 114, 117, 144, 152, 156, 162, 171, 206, 208, 216, 228, 234, 247, 304, 309, 312, 324, 342, 351, 412, 432, 456, 468, 494, 513, 613, 618, 624, 648, 684, 702, 741, 824, 912, 927, 936, 988, 1026, 1053, 1226, 1236, 1296, 1339, 1368, 1404, 1482, 1539, 1648, 1839, 1854, 1872, 1957, 1976, 2052, 2106, 2223, 2452, 2472, 2678, 2736, 2781, 2808, 2964, 3078, 3678, 3708, 3914, 3952, 4017, 4104, 4212, 4446, 4904, 4944, 5356, 5517, 5562, 5616, 5871, 5928, 6156, 6669, 7356, 7416, 7828, 7969, 8034, 8208, 8343, 8424, 8892, 9808, 10712, 11034, 11124, 11647, 11742, 11856, 12051, 12312, 13338, 14712, 14832, 15656, 15938, 16068, 16551, 16686, 16848, 17613, 17784, 20007, 21424, 22068, 22248, 23294, 23484, 23907, 24102, 24624, 25441, 26676, 29424, 31312, 31876, 32136, 33102, 33372, 34941, 35226, 35568, 36153, 40014, 44136, 44496, 46588, 46968, 47814, 48204, 49653, 50882, 52839, 53352, 63139, 63752, 64272, 66204, 66744, 69882, 70452, 71721, 72306, 76323, 80028, 88272, 93176, 93936, 95628, 96408, 99306, 101764, 104823, 105678, 106704, 108459, 126278, 127504, 132408, 133488, 139764, 140904, 143442, 144612, 151411, 152646, 158517, 160056, 186352, 189417, 191256, 192816, 198612, 203528, 209646, 211356, 215163, 216918, 228969, 252556, 264816, 279528, 281808, 286884, 289224, 302822, 305292, 314469, 317034, 320112, 378834, 382512, 397224, 407056, 419292, 422712, 430326, 433836, 454233, 457938, 505112, 559056, 568251, 573768, 578448, 605644, 610584, 628938, 634068, 645489, 686907, 757668, 794448, 820807, 838584, 845424, 860652, 867672, 908466, 915876, 943407, 1010224, 1136502, 1147536, 1199641, 1211288, 1221168, 1257876, 1268136, 1290978, 1362699, 1373814, 1515336, 1641614, 1677168, 1704753, 1721304, 1735344, 1816932, 1831752, 1886814, 2060721, 2273004, 2399282, 2422576, 2462421, 2515752, 2536272, 2581956, 2725398, 2747628, 3030672, 3283228, 3409506, 3442608, 3598923, 3633864, 3663504, 3773628, 4088097, 4121442, 4546008, 4798564, 4924842, 5031504, 5114259, 5163912, 5450796, 5495256, 6566456, 6819012, 7197846, 7267728, 7387263, 7547256, 8176194, 8242884, 9092016, 9597128, 9849684, 10228518, 10327824, 10796769, 10901592, 10990512, 12264291, 13132912, 13638024, 14395692, 14774526, 15094512, 15595333, 16352388, 16485768, 19194256, 19699368, 20457036, 21593538, 21803184, 22161789, 24528582, 27276048, 28791384, 29549052, 31190666, 32390307, 32704776, 32971536, 39398736, 40914072, 43187076, 44323578, 46785999, 49057164, 57582768, 59098104, 62381332, 64780614, 65409552, 66485367, 81828144, 86374152, 88647156, 93571998, 97170921, 98114328, 118196208, 124762664, 129561228, 132970734, 140357997, 172748304, 177294312, 187143996, 194341842, 196228656, 249525328, 259122456, 265941468, 280715994, 354588624, 374287992, 388683684, 421073991, 518244912, 531882936, 561431988, 748575984, 777367368, 842147982, 1063765872, 1122863976, 1263221973, 1554734736, 1684295964, 2245727952, 2526443946, 3368591928, 5052887892, 6737183856, 10105775784, 20211551568]

約数ペア:

[(1, 20211551568), (2, 10105775784), (3, 6737183856), (4, 5052887892), (6, 3368591928), (8, 2526443946), (9, 2245727952), (12, 1684295964), (13, 1554734736), (16, 1263221973), (18, 1122863976), (19, 1063765872), (24, 842147982), (26, 777367368), (27, 748575984), (36, 561431988), (38, 531882936), (39, 518244912), (48, 421073991), (52, 388683684), (54, 374287992), (57, 354588624), (72, 280715994), (76, 265941468), (78, 259122456), (81, 249525328), (103, 196228656), (104, 194341842), (108, 187143996), (114, 177294312), (117, 172748304), (144, 140357997), (152, 132970734), (156, 129561228), (162, 124762664), (171, 118196208), (206, 98114328), (208, 97170921), (216, 93571998), (228, 88647156), (234, 86374152), (247, 81828144), (304, 66485367), (309, 65409552), (312, 64780614), (324, 62381332), (342, 59098104), (351, 57582768), (412, 49057164), (432, 46785999), (456, 44323578), (468, 43187076), (494, 40914072), (513, 39398736), (613, 32971536), (618, 32704776), (624, 32390307), (648, 31190666), (684, 29549052), (702, 28791384), (741, 27276048), (824, 24528582), (912, 22161789), (927, 21803184), (936, 21593538), (988, 20457036), (1026, 19699368), (1053, 19194256), (1226, 16485768), (1236, 16352388), (1296, 15595333), (1339, 15094512), (1368, 14774526), (1404, 14395692), (1482, 13638024), (1539, 13132912), (1648, 12264291), (1839, 10990512), (1854, 10901592), (1872, 10796769), (1957, 10327824), (1976, 10228518), (2052, 9849684), (2106, 9597128), (2223, 9092016), (2452, 8242884), (2472, 8176194), (2678, 7547256), (2736, 7387263), (2781, 7267728), (2808, 7197846), (2964, 6819012), (3078, 6566456), (3678, 5495256), (3708, 5450796), (3914, 5163912), (3952, 5114259), (4017, 5031504), (4104, 4924842), (4212, 4798564), (4446, 4546008), (4904, 4121442), (4944, 4088097), (5356, 3773628), (5517, 3663504), (5562, 3633864), (5616, 3598923), (5871, 3442608), (5928, 3409506), (6156, 3283228), (6669, 3030672), (7356, 2747628), (7416, 2725398), (7828, 2581956), (7969, 2536272), (8034, 2515752), (8208, 2462421), (8343, 2422576), (8424, 2399282), (8892, 2273004), (9808, 2060721), (10712, 1886814), (11034, 1831752), (11124, 1816932), (11647, 1735344), (11742, 1721304), (11856, 1704753), (12051, 1677168), (12312, 1641614), (13338, 1515336), (14712, 1373814), (14832, 1362699), (15656, 1290978), (15938, 1268136), (16068, 1257876), (16551, 1221168), (16686, 1211288), (16848, 1199641), (17613, 1147536), (17784, 1136502), (20007, 1010224), (21424, 943407), (22068, 915876), (22248, 908466), (23294, 867672), (23484, 860652), (23907, 845424), (24102, 838584), (24624, 820807), (25441, 794448), (26676, 757668), (29424, 686907), (31312, 645489), (31876, 634068), (32136, 628938), (33102, 610584), (33372, 605644), (34941, 578448), (35226, 573768), (35568, 568251), (36153, 559056), (40014, 505112), (44136, 457938), (44496, 454233), (46588, 433836), (46968, 430326), (47814, 422712), (48204, 419292), (49653, 407056), (50882, 397224), (52839, 382512), (53352, 378834), (63139, 320112), (63752, 317034), (64272, 314469), (66204, 305292), (66744, 302822), (69882, 289224), (70452, 286884), (71721, 281808), (72306, 279528), (76323, 264816), (80028, 252556), (88272, 228969), (93176, 216918), (93936, 215163), (95628, 211356), (96408, 209646), (99306, 203528), (101764, 198612), (104823, 192816), (105678, 191256), (106704, 189417), (108459, 186352), (126278, 160056), (127504, 158517), (132408, 152646), (133488, 151411), (139764, 144612), (140904, 143442)]