20175897567

素因数分解:

$3^1\times 7^1\times {\mathrm{733}}^1\times {\mathrm{1310719}}^1$

素因数の和:1311462

約数の個数: 16

約数和(自身を含む): 30786191360

約数和(自身を除く): 10610293793

約数列:

[1, 3, 7, 21, 733, 2199, 5131, 15393, 1310719, 3932157, 9175033, 27525099, 960757027, 2882271081, 6725299189, 20175897567]

約数ペア:

[(1, 20175897567), (3, 6725299189), (7, 2882271081), (21, 960757027), (733, 27525099), (2199, 9175033), (5131, 3932157), (15393, 1310719)]