20802018536

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{821}}^1$

素因数の和:1171

約数の個数: 128

約数和(自身を含む): 45074534400

約数和(自身を除く): 24272515864

約数列:

[1, 2, 4, 8, 13, 26, 29, 31, 52, 58, 62, 104, 116, 124, 232, 248, 271, 377, 403, 542, 754, 806, 821, 899, 1084, 1508, 1612, 1642, 1798, 2168, 3016, 3224, 3284, 3523, 3596, 6568, 7046, 7192, 7859, 8401, 10673, 11687, 14092, 15718, 16802, 21346, 23374, 23809, 25451, 28184, 31436, 33604, 42692, 46748, 47618, 50902, 62872, 67208, 85384, 93496, 95236, 101804, 102167, 109213, 190472, 203608, 204334, 218426, 222491, 243629, 309517, 330863, 408668, 436852, 444982, 487258, 619034, 661726, 738079, 817336, 873704, 889964, 974516, 1238068, 1323452, 1476158, 1779928, 1949032, 2476136, 2646904, 2892383, 2952316, 3167177, 5784766, 5904632, 6334354, 6452239, 6897221, 9595027, 11569532, 12668708, 12904478, 13794442, 19190054, 23139064, 25337416, 25808956, 27588884, 38380108, 51617912, 55177768, 76760216, 83879107, 89663873, 167758214, 179327746, 200019409, 335516428, 358655492, 400038818, 671032856, 717310984, 800077636, 1600155272, 2600252317, 5200504634, 10401009268, 20802018536]

約数ペア:

[(1, 20802018536), (2, 10401009268), (4, 5200504634), (8, 2600252317), (13, 1600155272), (26, 800077636), (29, 717310984), (31, 671032856), (52, 400038818), (58, 358655492), (62, 335516428), (104, 200019409), (116, 179327746), (124, 167758214), (232, 89663873), (248, 83879107), (271, 76760216), (377, 55177768), (403, 51617912), (542, 38380108), (754, 27588884), (806, 25808956), (821, 25337416), (899, 23139064), (1084, 19190054), (1508, 13794442), (1612, 12904478), (1642, 12668708), (1798, 11569532), (2168, 9595027), (3016, 6897221), (3224, 6452239), (3284, 6334354), (3523, 5904632), (3596, 5784766), (6568, 3167177), (7046, 2952316), (7192, 2892383), (7859, 2646904), (8401, 2476136), (10673, 1949032), (11687, 1779928), (14092, 1476158), (15718, 1323452), (16802, 1238068), (21346, 974516), (23374, 889964), (23809, 873704), (25451, 817336), (28184, 738079), (31436, 661726), (33604, 619034), (42692, 487258), (46748, 444982), (47618, 436852), (50902, 408668), (62872, 330863), (67208, 309517), (85384, 243629), (93496, 222491), (95236, 218426), (101804, 204334), (102167, 203608), (109213, 190472)]