20786759

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1303}}^1$

素因数の和:1406

約数の個数: 16

約数和(自身を含む): 24786432

約数和(自身を除く): 3999673

約数列:

[1, 7, 43, 53, 301, 371, 1303, 2279, 9121, 15953, 56029, 69059, 392203, 483413, 2969537, 20786759]

約数ペア:

[(1, 20786759), (7, 2969537), (43, 483413), (53, 392203), (301, 69059), (371, 56029), (1303, 15953), (2279, 9121)]