20570408

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{151253}}^1$

素因数の和:151276

約数の個数: 16

約数和(自身を含む): 40838580

約数和(自身を除く): 20268172

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 151253, 302506, 605012, 1210024, 2571301, 5142602, 10285204, 20570408]

約数ペア:

[(1, 20570408), (2, 10285204), (4, 5142602), (8, 2571301), (17, 1210024), (34, 605012), (68, 302506), (136, 151253)]