20406230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{156971}}^1$

素因数の和:156991

約数の個数: 16

約数和(自身を含む): 39556944

約数和(自身を除く): 19150714

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 156971, 313942, 784855, 1569710, 2040623, 4081246, 10203115, 20406230]

約数ペア:

[(1, 20406230), (2, 10203115), (5, 4081246), (10, 2040623), (13, 1569710), (26, 784855), (65, 313942), (130, 156971)]