20441320

素因数分解:

$2^3\times 5^1\times {\mathrm{511033}}^1$

素因数の和:511044

約数の個数: 16

約数和(自身を含む): 45993060

約数和(自身を除く): 25551740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 511033, 1022066, 2044132, 2555165, 4088264, 5110330, 10220660, 20441320]

約数ペア:

[(1, 20441320), (2, 10220660), (4, 5110330), (5, 4088264), (8, 2555165), (10, 2044132), (20, 1022066), (40, 511033)]