20345090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{119677}}^1$

素因数の和:119701

約数の個数: 16

約数和(自身を含む): 38775672

約数和(自身を除く): 18430582

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 119677, 239354, 598385, 1196770, 2034509, 4069018, 10172545, 20345090]

約数ペア:

[(1, 20345090), (2, 10172545), (5, 4069018), (10, 2034509), (17, 1196770), (34, 598385), (85, 239354), (170, 119677)]