20983612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{883}}^1$

素因数の和:1357

約数の個数: 24

約数和(自身を含む): 39677456

約数和(自身を除く): 18693844

約数列:

[1, 2, 4, 13, 26, 52, 457, 883, 914, 1766, 1828, 3532, 5941, 11479, 11882, 22958, 23764, 45916, 403531, 807062, 1614124, 5245903, 10491806, 20983612]

約数ペア:

[(1, 20983612), (2, 10491806), (4, 5245903), (13, 1614124), (26, 807062), (52, 403531), (457, 45916), (883, 23764), (914, 22958), (1766, 11882), (1828, 11479), (3532, 5941)]