20976992

素因数分解:

$2^5\times {\mathrm{655531}}^1$

素因数の和:655541

約数の個数: 12

約数和(自身を含む): 41298516

約数和(自身を除く): 20321524

約数列:

[1, 2, 4, 8, 16, 32, 655531, 1311062, 2622124, 5244248, 10488496, 20976992]

約数ペア:

[(1, 20976992), (2, 10488496), (4, 5244248), (8, 2622124), (16, 1311062), (32, 655531)]