20743918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{1801}}^1$

素因数の和:2259

約数の個数: 16

約数和(自身を含む): 33603696

約数和(自身を除く): 12859778

約数列:

[1, 2, 13, 26, 443, 886, 1801, 3602, 5759, 11518, 23413, 46826, 797843, 1595686, 10371959, 20743918]

約数ペア:

[(1, 20743918), (2, 10371959), (13, 1595686), (26, 797843), (443, 46826), (886, 23413), (1801, 11518), (3602, 5759)]