2021800828

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{557}}^1\times {\mathrm{12781}}^1$

素因数の和:13413

約数の個数: 24

約数和(自身を含む): 3594707424

約数和(自身を除く): 1572906596

約数列:

[1, 2, 4, 71, 142, 284, 557, 1114, 2228, 12781, 25562, 39547, 51124, 79094, 158188, 907451, 1814902, 3629804, 7119017, 14238034, 28476068, 505450207, 1010900414, 2021800828]

約数ペア:

[(1, 2021800828), (2, 1010900414), (4, 505450207), (71, 28476068), (142, 14238034), (284, 7119017), (557, 3629804), (1114, 1814902), (2228, 907451), (12781, 158188), (25562, 79094), (39547, 51124)]