20365748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{857}}^1$

素因数の和:1331

約数の個数: 24

約数和(自身を含む): 38510472

約数和(自身を除く): 18144724

約数列:

[1, 2, 4, 13, 26, 52, 457, 857, 914, 1714, 1828, 3428, 5941, 11141, 11882, 22282, 23764, 44564, 391649, 783298, 1566596, 5091437, 10182874, 20365748]

約数ペア:

[(1, 20365748), (2, 10182874), (4, 5091437), (13, 1566596), (26, 783298), (52, 391649), (457, 44564), (857, 23764), (914, 22282), (1714, 11882), (1828, 11141), (3428, 5941)]