20610855

素因数分解:

$3^4\times 5^1\times {\mathrm{50891}}^1$

素因数の和:50908

約数の個数: 20

約数和(自身を含む): 36947592

約数和(自身を除く): 16336737

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 50891, 152673, 254455, 458019, 763365, 1374057, 2290095, 4122171, 6870285, 20610855]

約数ペア:

[(1, 20610855), (3, 6870285), (5, 4122171), (9, 2290095), (15, 1374057), (27, 763365), (45, 458019), (81, 254455), (135, 152673), (405, 50891)]