20406974

素因数分解:

$2^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{4657}}^1$

素因数の和:4979

約数の個数: 16

約数和(自身を含む): 35102688

約数和(自身を除く): 14695714

約数列:

[1, 2, 7, 14, 313, 626, 2191, 4382, 4657, 9314, 32599, 65198, 1457641, 2915282, 10203487, 20406974]

約数ペア:

[(1, 20406974), (2, 10203487), (7, 2915282), (14, 1457641), (313, 65198), (626, 32599), (2191, 9314), (4382, 4657)]