20590990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{294157}}^1$

素因数の和:294171

約数の個数: 16

約数和(自身を含む): 42358752

約数和(自身を除く): 21767762

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 294157, 588314, 1470785, 2059099, 2941570, 4118198, 10295495, 20590990]

約数ペア:

[(1, 20590990), (2, 10295495), (5, 4118198), (7, 2941570), (10, 2059099), (14, 1470785), (35, 588314), (70, 294157)]