20158452

素因数分解:

$2^2\times 3^2\times {\mathrm{313}}^1\times {\mathrm{1789}}^1$

素因数の和:2112

約数の個数: 36

約数和(自身を含む): 51147460

約数和(自身を除く): 30989008

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 313, 626, 939, 1252, 1789, 1878, 2817, 3578, 3756, 5367, 5634, 7156, 10734, 11268, 16101, 21468, 32202, 64404, 559957, 1119914, 1679871, 2239828, 3359742, 5039613, 6719484, 10079226, 20158452]

約数ペア:

[(1, 20158452), (2, 10079226), (3, 6719484), (4, 5039613), (6, 3359742), (9, 2239828), (12, 1679871), (18, 1119914), (36, 559957), (313, 64404), (626, 32202), (939, 21468), (1252, 16101), (1789, 11268), (1878, 10734), (2817, 7156), (3578, 5634), (3756, 5367)]