20408765472

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{997}}^1$

素因数の和:1180

約数の個数: 288

約数和(自身を含む): 63734619312

約数和(自身を除く): 43325853840

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 37, 48, 51, 68, 72, 74, 96, 102, 111, 113, 136, 144, 148, 153, 204, 222, 226, 272, 288, 296, 306, 333, 339, 408, 444, 452, 544, 592, 612, 629, 666, 678, 816, 888, 904, 997, 1017, 1184, 1224, 1258, 1332, 1356, 1632, 1776, 1808, 1887, 1921, 1994, 2034, 2448, 2516, 2664, 2712, 2991, 3552, 3616, 3774, 3842, 3988, 4068, 4181, 4896, 5032, 5328, 5424, 5661, 5763, 5982, 7548, 7684, 7976, 8136, 8362, 8973, 10064, 10656, 10848, 11322, 11526, 11964, 12543, 15096, 15368, 15952, 16272, 16724, 16949, 17289, 17946, 20128, 22644, 23052, 23928, 25086, 30192, 30736, 31904, 32544, 33448, 33898, 34578, 35892, 36889, 37629, 45288, 46104, 47856, 50172, 50847, 60384, 61472, 66896, 67796, 69156, 71077, 71784, 73778, 75258, 90576, 92208, 95712, 100344, 101694, 110667, 112661, 133792, 135592, 138312, 142154, 143568, 147556, 150516, 152541, 181152, 184416, 200688, 203388, 213231, 221334, 225322, 271184, 276624, 284308, 287136, 295112, 301032, 305082, 332001, 337983, 401376, 406776, 426462, 442668, 450644, 542368, 553248, 568616, 590224, 602064, 610164, 627113, 639693, 664002, 675966, 813552, 852924, 885336, 901288, 1013949, 1137232, 1180448, 1204128, 1220328, 1254226, 1279386, 1328004, 1351932, 1627104, 1705848, 1770672, 1802576, 1881339, 1915237, 2027898, 2274464, 2440656, 2508452, 2558772, 2656008, 2703864, 3411696, 3541344, 3605152, 3762678, 3830474, 4055796, 4168457, 4881312, 5016904, 5117544, 5312016, 5407728, 5644017, 5745711, 6823392, 7525356, 7660948, 8111592, 8336914, 10033808, 10235088, 10624032, 10815456, 11288034, 11491422, 12505371, 15050712, 15321896, 16223184, 16673828, 17237133, 20067616, 20470176, 22576068, 22982844, 25010742, 30101424, 30643792, 32446368, 33347656, 34474266, 37516113, 45152136, 45965688, 50021484, 60202848, 61287584, 66695312, 68948532, 70863769, 75032226, 90304272, 91931376, 100042968, 133390624, 137897064, 141727538, 150064452, 180608544, 183862752, 200085936, 212591307, 275794128, 283455076, 300128904, 400171872, 425182614, 551588256, 566910152, 600257808, 637773921, 850365228, 1133820304, 1200515616, 1275547842, 1700730456, 2267640608, 2551095684, 3401460912, 5102191368, 6802921824, 10204382736, 20408765472]

約数ペア:

[(1, 20408765472), (2, 10204382736), (3, 6802921824), (4, 5102191368), (6, 3401460912), (8, 2551095684), (9, 2267640608), (12, 1700730456), (16, 1275547842), (17, 1200515616), (18, 1133820304), (24, 850365228), (32, 637773921), (34, 600257808), (36, 566910152), (37, 551588256), (48, 425182614), (51, 400171872), (68, 300128904), (72, 283455076), (74, 275794128), (96, 212591307), (102, 200085936), (111, 183862752), (113, 180608544), (136, 150064452), (144, 141727538), (148, 137897064), (153, 133390624), (204, 100042968), (222, 91931376), (226, 90304272), (272, 75032226), (288, 70863769), (296, 68948532), (306, 66695312), (333, 61287584), (339, 60202848), (408, 50021484), (444, 45965688), (452, 45152136), (544, 37516113), (592, 34474266), (612, 33347656), (629, 32446368), (666, 30643792), (678, 30101424), (816, 25010742), (888, 22982844), (904, 22576068), (997, 20470176), (1017, 20067616), (1184, 17237133), (1224, 16673828), (1258, 16223184), (1332, 15321896), (1356, 15050712), (1632, 12505371), (1776, 11491422), (1808, 11288034), (1887, 10815456), (1921, 10624032), (1994, 10235088), (2034, 10033808), (2448, 8336914), (2516, 8111592), (2664, 7660948), (2712, 7525356), (2991, 6823392), (3552, 5745711), (3616, 5644017), (3774, 5407728), (3842, 5312016), (3988, 5117544), (4068, 5016904), (4181, 4881312), (4896, 4168457), (5032, 4055796), (5328, 3830474), (5424, 3762678), (5661, 3605152), (5763, 3541344), (5982, 3411696), (7548, 2703864), (7684, 2656008), (7976, 2558772), (8136, 2508452), (8362, 2440656), (8973, 2274464), (10064, 2027898), (10656, 1915237), (10848, 1881339), (11322, 1802576), (11526, 1770672), (11964, 1705848), (12543, 1627104), (15096, 1351932), (15368, 1328004), (15952, 1279386), (16272, 1254226), (16724, 1220328), (16949, 1204128), (17289, 1180448), (17946, 1137232), (20128, 1013949), (22644, 901288), (23052, 885336), (23928, 852924), (25086, 813552), (30192, 675966), (30736, 664002), (31904, 639693), (32544, 627113), (33448, 610164), (33898, 602064), (34578, 590224), (35892, 568616), (36889, 553248), (37629, 542368), (45288, 450644), (46104, 442668), (47856, 426462), (50172, 406776), (50847, 401376), (60384, 337983), (61472, 332001), (66896, 305082), (67796, 301032), (69156, 295112), (71077, 287136), (71784, 284308), (73778, 276624), (75258, 271184), (90576, 225322), (92208, 221334), (95712, 213231), (100344, 203388), (101694, 200688), (110667, 184416), (112661, 181152), (133792, 152541), (135592, 150516), (138312, 147556), (142154, 143568)]