20148220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24571}}^1$

素因数の和:24621

約数の個数: 24

約数和(自身を含む): 43345008

約数和(自身を除く): 23196788

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 24571, 49142, 98284, 122855, 245710, 491420, 1007411, 2014822, 4029644, 5037055, 10074110, 20148220]

約数ペア:

[(1, 20148220), (2, 10074110), (4, 5037055), (5, 4029644), (10, 2014822), (20, 1007411), (41, 491420), (82, 245710), (164, 122855), (205, 98284), (410, 49142), (820, 24571)]