20906822

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{1129}}^1$

素因数の和:1375

約数の個数: 16

約数和(自身を含む): 32218560

約数和(自身を除く): 11311738

約数列:

[1, 2, 47, 94, 197, 394, 1129, 2258, 9259, 18518, 53063, 106126, 222413, 444826, 10453411, 20906822]

約数ペア:

[(1, 20906822), (2, 10453411), (47, 444826), (94, 222413), (197, 106126), (394, 53063), (1129, 18518), (2258, 9259)]