20816408

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{23027}}^1$

素因数の和:23146

約数の個数: 16

約数和(自身を含む): 39377880

約数和(自身を除く): 18561472

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 23027, 46054, 92108, 184216, 2602051, 5204102, 10408204, 20816408]

約数ペア:

[(1, 20816408), (2, 10408204), (4, 5204102), (8, 2602051), (113, 184216), (226, 92108), (452, 46054), (904, 23027)]