20074420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24481}}^1$

素因数の和:24531

約数の個数: 24

約数和(自身を含む): 43186248

約数和(自身を除く): 23111828

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 24481, 48962, 97924, 122405, 244810, 489620, 1003721, 2007442, 4014884, 5018605, 10037210, 20074420]

約数ペア:

[(1, 20074420), (2, 10037210), (4, 5018605), (5, 4014884), (10, 2007442), (20, 1003721), (41, 489620), (82, 244810), (164, 122405), (205, 97924), (410, 48962), (820, 24481)]