20396498

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{3821}}^1$

素因数の和:3997

約数の個数: 16

約数和(自身を含む): 32609304

約数和(自身を除く): 12212806

約数列:

[1, 2, 17, 34, 157, 314, 2669, 3821, 5338, 7642, 64957, 129914, 599897, 1199794, 10198249, 20396498]

約数ペア:

[(1, 20396498), (2, 10198249), (17, 1199794), (34, 599897), (157, 129914), (314, 64957), (2669, 7642), (3821, 5338)]