20119090

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{12343}}^1$

素因数の和:12513

約数の個数: 16

約数和(自身を含む): 36439488

約数和(自身を除く): 16320398

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 12343, 24686, 61715, 123430, 2011909, 4023818, 10059545, 20119090]

約数ペア:

[(1, 20119090), (2, 10059545), (5, 4023818), (10, 2011909), (163, 123430), (326, 61715), (815, 24686), (1630, 12343)]