20041821

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 29652480

約数和(自身を除く): 9610659

約数列:

[1, 3, 9, 89, 131, 191, 267, 393, 573, 801, 1179, 1719, 11659, 16999, 25021, 34977, 50997, 75063, 104931, 152991, 225189, 2226869, 6680607, 20041821]

約数ペア:

[(1, 20041821), (3, 6680607), (9, 2226869), (89, 225189), (131, 152991), (191, 104931), (267, 75063), (393, 50997), (573, 34977), (801, 25021), (1179, 16999), (1719, 11659)]