20506798

素因数分解:

$2^1\times {\mathrm{13}}^4\times {\mathrm{359}}^1$

素因数の和:413

約数の個数: 20

約数和(自身を含む): 33416280

約数和(自身を除く): 12909482

約数列:

[1, 2, 13, 26, 169, 338, 359, 718, 2197, 4394, 4667, 9334, 28561, 57122, 60671, 121342, 788723, 1577446, 10253399, 20506798]

約数ペア:

[(1, 20506798), (2, 10253399), (13, 1577446), (26, 788723), (169, 121342), (338, 60671), (359, 57122), (718, 28561), (2197, 9334), (4394, 4667)]