20461838240

素因数分解:

$2^5\times 5^1\times {\mathrm{2341}}^1\times {\mathrm{54629}}^1$

素因数の和:56985

約数の個数: 48

約数和(自身を含む): 48362627880

約数和(自身を除く): 27900789640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2341, 4682, 9364, 11705, 18728, 23410, 37456, 46820, 54629, 74912, 93640, 109258, 187280, 218516, 273145, 374560, 437032, 546290, 874064, 1092580, 1748128, 2185160, 4370320, 8740640, 127886489, 255772978, 511545956, 639432445, 1023091912, 1278864890, 2046183824, 2557729780, 4092367648, 5115459560, 10230919120, 20461838240]

約数ペア:

[(1, 20461838240), (2, 10230919120), (4, 5115459560), (5, 4092367648), (8, 2557729780), (10, 2046183824), (16, 1278864890), (20, 1023091912), (32, 639432445), (40, 511545956), (80, 255772978), (160, 127886489), (2341, 8740640), (4682, 4370320), (9364, 2185160), (11705, 1748128), (18728, 1092580), (23410, 874064), (37456, 546290), (46820, 437032), (54629, 374560), (74912, 273145), (93640, 218516), (109258, 187280)]