20339620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{145283}}^1$

素因数の和:145299

約数の個数: 24

約数和(自身を含む): 48815424

約数和(自身を除く): 28475804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 145283, 290566, 581132, 726415, 1016981, 1452830, 2033962, 2905660, 4067924, 5084905, 10169810, 20339620]

約数ペア:

[(1, 20339620), (2, 10169810), (4, 5084905), (5, 4067924), (7, 2905660), (10, 2033962), (14, 1452830), (20, 1016981), (28, 726415), (35, 581132), (70, 290566), (140, 145283)]