20786028

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{40283}}^1$

素因数の和:40333

約数の個数: 24

約数和(自身を含む): 49629888

約数和(自身を除く): 28843860

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 40283, 80566, 120849, 161132, 241698, 483396, 1732169, 3464338, 5196507, 6928676, 10393014, 20786028]

約数ペア:

[(1, 20786028), (2, 10393014), (3, 6928676), (4, 5196507), (6, 3464338), (12, 1732169), (43, 483396), (86, 241698), (129, 161132), (172, 120849), (258, 80566), (516, 40283)]