20165990505

素因数分解:

$3^1\times 5^1\times {\mathrm{3571}}^1\times {\mathrm{376477}}^1$

素因数の和:380056

約数の個数: 16

約数和(自身を含む): 32274705984

約数和(自身を除く): 12108715479

約数列:

[1, 3, 5, 15, 3571, 10713, 17855, 53565, 376477, 1129431, 1882385, 5647155, 1344399367, 4033198101, 6721996835, 20165990505]

約数ペア:

[(1, 20165990505), (3, 6721996835), (5, 4033198101), (15, 1344399367), (3571, 5647155), (10713, 1882385), (17855, 1129431), (53565, 376477)]