22345220

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{2239}}^1$

素因数の和:2747

約数の個数: 24

約数和(自身を含む): 47040000

約数和(自身を除く): 24694780

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2239, 2495, 4478, 4990, 8956, 9980, 11195, 22390, 44780, 1117261, 2234522, 4469044, 5586305, 11172610, 22345220]

約数ペア:

[(1, 22345220), (2, 11172610), (4, 5586305), (5, 4469044), (10, 2234522), (20, 1117261), (499, 44780), (998, 22390), (1996, 11195), (2239, 9980), (2495, 8956), (4478, 4990)]