20541111

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{719}}^1$

素因数の和:918

約数の個数: 16

約数和(自身を含む): 27993600

約数和(自身を除く): 7452489

約数列:

[1, 3, 89, 107, 267, 321, 719, 2157, 9523, 28569, 63991, 76933, 191973, 230799, 6847037, 20541111]

約数ペア:

[(1, 20541111), (3, 6847037), (89, 230799), (107, 191973), (267, 76933), (321, 63991), (719, 28569), (2157, 9523)]