20195145

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5407}}^1$

素因数の和:5501

約数の個数: 24

約数和(自身を含む): 35433216

約数和(自身を除く): 15238071

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 5407, 16221, 27035, 48663, 81105, 243315, 448781, 1346343, 2243905, 4039029, 6731715, 20195145]

約数ペア:

[(1, 20195145), (3, 6731715), (5, 4039029), (9, 2243905), (15, 1346343), (45, 448781), (83, 243315), (249, 81105), (415, 48663), (747, 27035), (1245, 16221), (3735, 5407)]