20698612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{10009}}^1$

素因数の和:10071

約数の個数: 24

約数和(自身を含む): 40360320

約数和(自身を除く): 19661708

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 2068, 10009, 20018, 40036, 110099, 220198, 440396, 470423, 940846, 1881692, 5174653, 10349306, 20698612]

約数ペア:

[(1, 20698612), (2, 10349306), (4, 5174653), (11, 1881692), (22, 940846), (44, 470423), (47, 440396), (94, 220198), (188, 110099), (517, 40036), (1034, 20018), (2068, 10009)]