20465050

素因数分解:

$2^1\times 5^2\times {\mathrm{563}}^1\times {\mathrm{727}}^1$

素因数の和:1302

約数の個数: 24

約数和(自身を含む): 38185056

約数和(自身を除く): 17720006

約数列:

[1, 2, 5, 10, 25, 50, 563, 727, 1126, 1454, 2815, 3635, 5630, 7270, 14075, 18175, 28150, 36350, 409301, 818602, 2046505, 4093010, 10232525, 20465050]

約数ペア:

[(1, 20465050), (2, 10232525), (5, 4093010), (10, 2046505), (25, 818602), (50, 409301), (563, 36350), (727, 28150), (1126, 18175), (1454, 14075), (2815, 7270), (3635, 5630)]