20861224

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{49201}}^1$

素因数の和:49260

約数の個数: 16

約数和(自身を含む): 39853620

約数和(自身を除く): 18992396

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 49201, 98402, 196804, 393608, 2607653, 5215306, 10430612, 20861224]

約数ペア:

[(1, 20861224), (2, 10430612), (4, 5215306), (8, 2607653), (53, 393608), (106, 196804), (212, 98402), (424, 49201)]