20981022

素因数分解:

$2^1\times 3^1\times {\mathrm{1559}}^1\times {\mathrm{2243}}^1$

素因数の和:3807

約数の個数: 16

約数和(自身を含む): 42007680

約数和(自身を除く): 21026658

約数列:

[1, 2, 3, 6, 1559, 2243, 3118, 4486, 4677, 6729, 9354, 13458, 3496837, 6993674, 10490511, 20981022]

約数ペア:

[(1, 20981022), (2, 10490511), (3, 6993674), (6, 3496837), (1559, 13458), (2243, 9354), (3118, 6729), (4486, 4677)]