20590215

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{13327}}^1$

素因数の和:13438

約数の個数: 16

約数和(自身を含む): 33266688

約数和(自身を除く): 12676473

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 13327, 39981, 66635, 199905, 1372681, 4118043, 6863405, 20590215]

約数ペア:

[(1, 20590215), (3, 6863405), (5, 4118043), (15, 1372681), (103, 199905), (309, 66635), (515, 39981), (1545, 13327)]