20711150

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{10103}}^1$

素因数の和:10156

約数の個数: 24

約数和(自身を含む): 39466224

約数和(自身を除く): 18755074

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 10103, 20206, 50515, 101030, 252575, 414223, 505150, 828446, 2071115, 4142230, 10355575, 20711150]

約数ペア:

[(1, 20711150), (2, 10355575), (5, 4142230), (10, 2071115), (25, 828446), (41, 505150), (50, 414223), (82, 252575), (205, 101030), (410, 50515), (1025, 20206), (2050, 10103)]