20804577168

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{170843}}^1$

素因数の和:170956

約数の個数: 80

約数和(自身を含む): 55927491840

約数和(自身を除く): 35122914672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 59, 86, 118, 129, 172, 177, 236, 258, 344, 354, 472, 516, 688, 708, 944, 1032, 1416, 2064, 2537, 2832, 5074, 7611, 10148, 15222, 20296, 30444, 40592, 60888, 121776, 170843, 341686, 512529, 683372, 1025058, 1366744, 2050116, 2733488, 4100232, 7346249, 8200464, 10079737, 14692498, 20159474, 22038747, 29384996, 30239211, 40318948, 44077494, 58769992, 60478422, 80637896, 88154988, 117539984, 120956844, 161275792, 176309976, 241913688, 352619952, 433428691, 483827376, 866857382, 1300286073, 1733714764, 2600572146, 3467429528, 5201144292, 6934859056, 10402288584, 20804577168]

約数ペア:

[(1, 20804577168), (2, 10402288584), (3, 6934859056), (4, 5201144292), (6, 3467429528), (8, 2600572146), (12, 1733714764), (16, 1300286073), (24, 866857382), (43, 483827376), (48, 433428691), (59, 352619952), (86, 241913688), (118, 176309976), (129, 161275792), (172, 120956844), (177, 117539984), (236, 88154988), (258, 80637896), (344, 60478422), (354, 58769992), (472, 44077494), (516, 40318948), (688, 30239211), (708, 29384996), (944, 22038747), (1032, 20159474), (1416, 14692498), (2064, 10079737), (2537, 8200464), (2832, 7346249), (5074, 4100232), (7611, 2733488), (10148, 2050116), (15222, 1366744), (20296, 1025058), (30444, 683372), (40592, 512529), (60888, 341686), (121776, 170843)]