16557620

素因数分解:

$2^2\times 5^1\times {\mathrm{701}}^1\times {\mathrm{1181}}^1$

素因数の和:1891

約数の個数: 24

約数和(自身を含む): 34850088

約数和(自身を除く): 18292468

約数列:

[1, 2, 4, 5, 10, 20, 701, 1181, 1402, 2362, 2804, 3505, 4724, 5905, 7010, 11810, 14020, 23620, 827881, 1655762, 3311524, 4139405, 8278810, 16557620]

約数ペア:

[(1, 16557620), (2, 8278810), (4, 4139405), (5, 3311524), (10, 1655762), (20, 827881), (701, 23620), (1181, 14020), (1402, 11810), (2362, 7010), (2804, 5905), (3505, 4724)]