20489256

素因数分解:

$2^3\times 3^2\times {\mathrm{284573}}^1$

素因数の和:284585

約数の個数: 24

約数和(自身を含む): 55491930

約数和(自身を除く): 35002674

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 284573, 569146, 853719, 1138292, 1707438, 2276584, 2561157, 3414876, 5122314, 6829752, 10244628, 20489256]

約数ペア:

[(1, 20489256), (2, 10244628), (3, 6829752), (4, 5122314), (6, 3414876), (8, 2561157), (9, 2276584), (12, 1707438), (18, 1138292), (24, 853719), (36, 569146), (72, 284573)]