20102271

素因数分解:

$3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{2221}}^1$

素因数の和:2662

約数の個数: 16

約数和(自身を含む): 30716928

約数和(自身を除く): 10614657

約数列:

[1, 3, 7, 21, 431, 1293, 2221, 3017, 6663, 9051, 15547, 46641, 957251, 2871753, 6700757, 20102271]

約数ペア:

[(1, 20102271), (3, 6700757), (7, 2871753), (21, 957251), (431, 46641), (1293, 15547), (2221, 9051), (3017, 6663)]