11915698220

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2120231}}^1$

素因数の和:2120521

約数の個数: 24

約数和(自身を含む): 25112027808

約数和(自身を除く): 13196329588

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 2120231, 4240462, 8480924, 10601155, 21202310, 42404620, 595784911, 1191569822, 2383139644, 2978924555, 5957849110, 11915698220]

約数ペア:

[(1, 11915698220), (2, 5957849110), (4, 2978924555), (5, 2383139644), (10, 1191569822), (20, 595784911), (281, 42404620), (562, 21202310), (1124, 10601155), (1405, 8480924), (2810, 4240462), (5620, 2120231)]