20112751561

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2380489}}^1$

素因数の和:2380584

約数の個数: 16

約数和(自身を含む): 24680920320

約数和(自身を除く): 4568168759

約数列:

[1, 7, 17, 71, 119, 497, 1207, 8449, 2380489, 16663423, 40468313, 169014719, 283278191, 1183103033, 2873250223, 20112751561]

約数ペア:

[(1, 20112751561), (7, 2873250223), (17, 1183103033), (71, 283278191), (119, 169014719), (497, 40468313), (1207, 16663423), (8449, 2380489)]