20923090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{123077}}^1$

素因数の和:123101

約数の個数: 16

約数和(自身を含む): 39877272

約数和(自身を除く): 18954182

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 123077, 246154, 615385, 1230770, 2092309, 4184618, 10461545, 20923090]

約数ペア:

[(1, 20923090), (2, 10461545), (5, 4184618), (10, 2092309), (17, 1230770), (34, 615385), (85, 246154), (170, 123077)]