22720816

素因数分解:

$2^4\times {\mathrm{269}}^1\times {\mathrm{5279}}^1$

素因数の和:5556

約数の個数: 20

約数和(自身を含む): 44193600

約数和(自身を除く): 21472784

約数列:

[1, 2, 4, 8, 16, 269, 538, 1076, 2152, 4304, 5279, 10558, 21116, 42232, 84464, 1420051, 2840102, 5680204, 11360408, 22720816]

約数ペア:

[(1, 22720816), (2, 11360408), (4, 5680204), (8, 2840102), (16, 1420051), (269, 84464), (538, 42232), (1076, 21116), (2152, 10558), (4304, 5279)]