20566005

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{80651}}^1$

素因数の和:80676

約数の個数: 16

約数和(自身を含む): 34841664

約数和(自身を除く): 14275659

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 80651, 241953, 403255, 1209765, 1371067, 4113201, 6855335, 20566005]

約数ペア:

[(1, 20566005), (3, 6855335), (5, 4113201), (15, 1371067), (17, 1209765), (51, 403255), (85, 241953), (255, 80651)]