20543445

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35117}}^1$

素因数の和:35141

約数の個数: 24

約数和(自身を含む): 38348856

約数和(自身を除く): 17805411

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 35117, 105351, 175585, 316053, 456521, 526755, 1369563, 1580265, 2282605, 4108689, 6847815, 20543445]

約数ペア:

[(1, 20543445), (3, 6847815), (5, 4108689), (9, 2282605), (13, 1580265), (15, 1369563), (39, 526755), (45, 456521), (65, 316053), (117, 175585), (195, 105351), (585, 35117)]