22021640

素因数分解:

$2^3\times 5^1\times {\mathrm{550541}}^1$

素因数の和:550552

約数の個数: 16

約数和(自身を含む): 49548780

約数和(自身を除く): 27527140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 550541, 1101082, 2202164, 2752705, 4404328, 5505410, 11010820, 22021640]

約数ペア:

[(1, 22021640), (2, 11010820), (4, 5505410), (5, 4404328), (8, 2752705), (10, 2202164), (20, 1101082), (40, 550541)]