20215610

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{69709}}^1$

素因数の和:69745

約数の個数: 16

約数和(自身を含む): 37643400

約数和(自身を除く): 17427790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 69709, 139418, 348545, 697090, 2021561, 4043122, 10107805, 20215610]

約数ペア:

[(1, 20215610), (2, 10107805), (5, 4043122), (10, 2021561), (29, 697090), (58, 348545), (145, 139418), (290, 69709)]