20376716

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 36471456

約数和(自身を除く): 16094740

約数列:

[1, 2, 4, 71, 142, 157, 284, 314, 457, 628, 914, 1828, 11147, 22294, 32447, 44588, 64894, 71749, 129788, 143498, 286996, 5094179, 10188358, 20376716]

約数ペア:

[(1, 20376716), (2, 10188358), (4, 5094179), (71, 286996), (142, 143498), (157, 129788), (284, 71749), (314, 64894), (457, 44588), (628, 32447), (914, 22294), (1828, 11147)]