20644005

素因数分解:

$3^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1697}}^1$

素因数の和:2516

約数の個数: 16

約数和(自身を含む): 33090624

約数和(自身を除く): 12446619

約数列:

[1, 3, 5, 15, 811, 1697, 2433, 4055, 5091, 8485, 12165, 25455, 1376267, 4128801, 6881335, 20644005]

約数ペア:

[(1, 20644005), (3, 6881335), (5, 4128801), (15, 1376267), (811, 25455), (1697, 12165), (2433, 8485), (4055, 5091)]