8720816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41927}}^1$

素因数の和:41948

約数の個数: 20

約数和(自身を含む): 18196752

約数和(自身を除く): 9475936

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 41927, 83854, 167708, 335416, 545051, 670832, 1090102, 2180204, 4360408, 8720816]

約数ペア:

[(1, 8720816), (2, 4360408), (4, 2180204), (8, 1090102), (13, 670832), (16, 545051), (26, 335416), (52, 167708), (104, 83854), (208, 41927)]