20088100

素因数分解:

$2^2\times 5^2\times {\mathrm{200881}}^1$

素因数の和:200895

約数の個数: 18

約数和(自身を含む): 43591394

約数和(自身を除く): 23503294

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 200881, 401762, 803524, 1004405, 2008810, 4017620, 5022025, 10044050, 20088100]

約数ペア:

[(1, 20088100), (2, 10044050), (4, 5022025), (5, 4017620), (10, 2008810), (20, 1004405), (25, 803524), (50, 401762), (100, 200881)]