20022320

素因数分解:

$2^4\times 5^1\times {\mathrm{250279}}^1$

素因数の和:250292

約数の個数: 20

約数和(自身を含む): 46552080

約数和(自身を除く): 26529760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 250279, 500558, 1001116, 1251395, 2002232, 2502790, 4004464, 5005580, 10011160, 20022320]

約数ペア:

[(1, 20022320), (2, 10011160), (4, 5005580), (5, 4004464), (8, 2502790), (10, 2002232), (16, 1251395), (20, 1001116), (40, 500558), (80, 250279)]