20541285

素因数分解:

$3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{3023}}^1$

素因数の和:3185

約数の個数: 24

約数和(自身を含む): 35852544

約数和(自身を除く): 15311259

約数列:

[1, 3, 5, 9, 15, 45, 151, 453, 755, 1359, 2265, 3023, 6795, 9069, 15115, 27207, 45345, 136035, 456473, 1369419, 2282365, 4108257, 6847095, 20541285]

約数ペア:

[(1, 20541285), (3, 6847095), (5, 4108257), (9, 2282365), (15, 1369419), (45, 456473), (151, 136035), (453, 45345), (755, 27207), (1359, 15115), (2265, 9069), (3023, 6795)]