20680290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{229781}}^1$

素因数の和:229794

約数の個数: 24

約数和(自身を含む): 53768988

約数和(自身を除く): 33088698

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 229781, 459562, 689343, 1148905, 1378686, 2068029, 2297810, 3446715, 4136058, 6893430, 10340145, 20680290]

約数ペア:

[(1, 20680290), (2, 10340145), (3, 6893430), (5, 4136058), (6, 3446715), (9, 2297810), (10, 2068029), (15, 1378686), (18, 1148905), (30, 689343), (45, 459562), (90, 229781)]