20196925

素因数分解:

$5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{881}}^1$

素因数の和:1029

約数の個数: 24

約数和(自身を含む): 28873152

約数和(自身を除く): 8676227

約数列:

[1, 5, 7, 25, 35, 131, 175, 655, 881, 917, 3275, 4405, 4585, 6167, 22025, 22925, 30835, 115411, 154175, 577055, 807877, 2885275, 4039385, 20196925]

約数ペア:

[(1, 20196925), (5, 4039385), (7, 2885275), (25, 807877), (35, 577055), (131, 154175), (175, 115411), (655, 30835), (881, 22925), (917, 22025), (3275, 6167), (4405, 4585)]