20745208064

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:573

約数の個数: 288

約数和(自身を含む): 52980480000

約数和(自身を除く): 32235271936

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 23, 28, 32, 38, 46, 56, 59, 64, 76, 92, 112, 118, 128, 133, 152, 161, 184, 224, 236, 256, 266, 304, 322, 368, 413, 437, 448, 449, 472, 532, 608, 644, 736, 826, 874, 896, 898, 944, 1064, 1121, 1216, 1288, 1357, 1472, 1652, 1748, 1792, 1796, 1888, 2128, 2242, 2432, 2576, 2714, 2944, 3059, 3143, 3304, 3496, 3592, 3776, 4256, 4484, 4864, 5152, 5428, 5888, 6118, 6286, 6608, 6992, 7184, 7552, 7847, 8512, 8531, 8968, 9499, 10304, 10327, 10856, 12236, 12572, 13216, 13984, 14368, 15104, 15694, 17024, 17062, 17936, 18998, 20608, 20654, 21712, 24472, 25144, 25783, 26432, 26491, 27968, 28736, 31388, 34048, 34124, 35872, 37996, 41216, 41308, 43424, 48944, 50288, 51566, 52864, 52982, 55936, 57472, 59717, 62776, 68248, 71744, 72289, 75992, 82616, 86848, 97888, 100576, 103132, 105728, 105964, 111872, 114944, 119434, 125552, 136496, 143488, 144578, 151984, 165232, 173696, 180481, 185437, 195776, 196213, 201152, 206264, 211928, 238868, 251104, 272992, 286976, 289156, 303968, 330464, 347392, 360962, 370874, 391552, 392426, 402304, 412528, 423856, 477736, 502208, 503329, 545984, 578312, 607936, 609293, 660928, 721924, 741748, 783104, 784852, 804608, 825056, 847712, 955472, 1004416, 1006658, 1091968, 1156624, 1215872, 1218586, 1321856, 1373491, 1443848, 1483496, 1569704, 1650112, 1695424, 1910944, 2008832, 2013316, 2183936, 2313248, 2431744, 2437172, 2643712, 2746982, 2887696, 2966992, 3139408, 3300224, 3390848, 3523303, 3821888, 4026632, 4265051, 4626496, 4874344, 5493964, 5775392, 5933984, 6278816, 6600448, 6781696, 7046606, 7643776, 8053264, 8530102, 9252992, 9748688, 10987928, 11550784, 11576567, 11867968, 12557632, 14093212, 15287552, 16106528, 17060204, 18505984, 19497376, 21975856, 23101568, 23153134, 23735936, 25115264, 28186424, 32213056, 34120408, 38994752, 43951712, 46203136, 46306268, 47471872, 50230528, 56372848, 64426112, 68240816, 77989504, 81035969, 87903424, 92612536, 112745696, 128852224, 136481632, 155979008, 162071938, 175806848, 185225072, 225491392, 272963264, 324143876, 351613696, 370450144, 450982784, 545926528, 648287752, 740900288, 901965568, 1091853056, 1296575504, 1481800576, 2593151008, 2963601152, 5186302016, 10372604032, 20745208064]

約数ペア:

[(1, 20745208064), (2, 10372604032), (4, 5186302016), (7, 2963601152), (8, 2593151008), (14, 1481800576), (16, 1296575504), (19, 1091853056), (23, 901965568), (28, 740900288), (32, 648287752), (38, 545926528), (46, 450982784), (56, 370450144), (59, 351613696), (64, 324143876), (76, 272963264), (92, 225491392), (112, 185225072), (118, 175806848), (128, 162071938), (133, 155979008), (152, 136481632), (161, 128852224), (184, 112745696), (224, 92612536), (236, 87903424), (256, 81035969), (266, 77989504), (304, 68240816), (322, 64426112), (368, 56372848), (413, 50230528), (437, 47471872), (448, 46306268), (449, 46203136), (472, 43951712), (532, 38994752), (608, 34120408), (644, 32213056), (736, 28186424), (826, 25115264), (874, 23735936), (896, 23153134), (898, 23101568), (944, 21975856), (1064, 19497376), (1121, 18505984), (1216, 17060204), (1288, 16106528), (1357, 15287552), (1472, 14093212), (1652, 12557632), (1748, 11867968), (1792, 11576567), (1796, 11550784), (1888, 10987928), (2128, 9748688), (2242, 9252992), (2432, 8530102), (2576, 8053264), (2714, 7643776), (2944, 7046606), (3059, 6781696), (3143, 6600448), (3304, 6278816), (3496, 5933984), (3592, 5775392), (3776, 5493964), (4256, 4874344), (4484, 4626496), (4864, 4265051), (5152, 4026632), (5428, 3821888), (5888, 3523303), (6118, 3390848), (6286, 3300224), (6608, 3139408), (6992, 2966992), (7184, 2887696), (7552, 2746982), (7847, 2643712), (8512, 2437172), (8531, 2431744), (8968, 2313248), (9499, 2183936), (10304, 2013316), (10327, 2008832), (10856, 1910944), (12236, 1695424), (12572, 1650112), (13216, 1569704), (13984, 1483496), (14368, 1443848), (15104, 1373491), (15694, 1321856), (17024, 1218586), (17062, 1215872), (17936, 1156624), (18998, 1091968), (20608, 1006658), (20654, 1004416), (21712, 955472), (24472, 847712), (25144, 825056), (25783, 804608), (26432, 784852), (26491, 783104), (27968, 741748), (28736, 721924), (31388, 660928), (34048, 609293), (34124, 607936), (35872, 578312), (37996, 545984), (41216, 503329), (41308, 502208), (43424, 477736), (48944, 423856), (50288, 412528), (51566, 402304), (52864, 392426), (52982, 391552), (55936, 370874), (57472, 360962), (59717, 347392), (62776, 330464), (68248, 303968), (71744, 289156), (72289, 286976), (75992, 272992), (82616, 251104), (86848, 238868), (97888, 211928), (100576, 206264), (103132, 201152), (105728, 196213), (105964, 195776), (111872, 185437), (114944, 180481), (119434, 173696), (125552, 165232), (136496, 151984), (143488, 144578)]