20153395881

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{54616249}}^1$

素因数の和:54616296

約数の個数: 12

約数和(自身を含む): 29820472500

約数和(自身を除く): 9667076619

約数列:

[1, 3, 9, 41, 123, 369, 54616249, 163848747, 491546241, 2239266209, 6717798627, 20153395881]

約数ペア:

[(1, 20153395881), (3, 6717798627), (9, 2239266209), (41, 491546241), (123, 163848747), (369, 54616249)]