22007980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{26839}}^1$

素因数の和:26889

約数の個数: 24

約数和(自身を含む): 47345760

約数和(自身を除く): 25337780

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 26839, 53678, 107356, 134195, 268390, 536780, 1100399, 2200798, 4401596, 5501995, 11003990, 22007980]

約数ペア:

[(1, 22007980), (2, 11003990), (4, 5501995), (5, 4401596), (10, 2200798), (20, 1100399), (41, 536780), (82, 268390), (164, 134195), (205, 107356), (410, 53678), (820, 26839)]