20803578436

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{821}}^1\times {\mathrm{372637}}^1$

素因数の和:373479

約数の個数: 24

約数和(自身を含む): 38594862936

約数和(自身を除く): 17791284500

約数列:

[1, 2, 4, 17, 34, 68, 821, 1642, 3284, 13957, 27914, 55828, 372637, 745274, 1490548, 6334829, 12669658, 25339316, 305934977, 611869954, 1223739908, 5200894609, 10401789218, 20803578436]

約数ペア:

[(1, 20803578436), (2, 10401789218), (4, 5200894609), (17, 1223739908), (34, 611869954), (68, 305934977), (821, 25339316), (1642, 12669658), (3284, 6334829), (13957, 1490548), (27914, 745274), (55828, 372637)]