20672508

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{40063}}^1$

素因数の和:40113

約数の個数: 24

約数和(自身を含む): 49358848

約数和(自身を除く): 28686340

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 40063, 80126, 120189, 160252, 240378, 480756, 1722709, 3445418, 5168127, 6890836, 10336254, 20672508]

約数ペア:

[(1, 20672508), (2, 10336254), (3, 6890836), (4, 5168127), (6, 3445418), (12, 1722709), (43, 480756), (86, 240378), (129, 160252), (172, 120189), (258, 80126), (516, 40063)]