20275060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2689}}^1$

素因数の和:2740

約数の個数: 48

約数和(自身を含む): 47451600

約数和(自身を除く): 27176540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 2689, 3770, 5378, 7540, 10756, 13445, 26890, 34957, 53780, 69914, 77981, 139828, 155962, 174785, 311924, 349570, 389905, 699140, 779810, 1013753, 1559620, 2027506, 4055012, 5068765, 10137530, 20275060]

約数ペア:

[(1, 20275060), (2, 10137530), (4, 5068765), (5, 4055012), (10, 2027506), (13, 1559620), (20, 1013753), (26, 779810), (29, 699140), (52, 389905), (58, 349570), (65, 311924), (116, 174785), (130, 155962), (145, 139828), (260, 77981), (290, 69914), (377, 53780), (580, 34957), (754, 26890), (1508, 13445), (1885, 10756), (2689, 7540), (3770, 5378)]