22047920

素因数分解:

$2^4\times 5^1\times {\mathrm{275599}}^1$

素因数の和:275612

約数の個数: 20

約数和(自身を含む): 51261600

約数和(自身を除く): 29213680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 275599, 551198, 1102396, 1377995, 2204792, 2755990, 4409584, 5511980, 11023960, 22047920]

約数ペア:

[(1, 22047920), (2, 11023960), (4, 5511980), (5, 4409584), (8, 2755990), (10, 2204792), (16, 1377995), (20, 1102396), (40, 551198), (80, 275599)]