20751864568

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{2971}}^1\times {\mathrm{6373}}^1$

素因数の和:9487

約数の個数: 32

約数和(自身を含む): 39213102960

約数和(自身を除く): 18461238392

約数列:

[1, 2, 4, 8, 137, 274, 548, 1096, 2971, 5942, 6373, 11884, 12746, 23768, 25492, 50984, 407027, 814054, 873101, 1628108, 1746202, 3256216, 3492404, 6984808, 18934183, 37868366, 75736732, 151473464, 2593983071, 5187966142, 10375932284, 20751864568]

約数ペア:

[(1, 20751864568), (2, 10375932284), (4, 5187966142), (8, 2593983071), (137, 151473464), (274, 75736732), (548, 37868366), (1096, 18934183), (2971, 6984808), (5942, 3492404), (6373, 3256216), (11884, 1746202), (12746, 1628108), (23768, 873101), (25492, 814054), (50984, 407027)]