20514730

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^2\times {\mathrm{457}}^1$

素因数の和:598

約数の個数: 24

約数和(自身を含む): 37567908

約数和(自身を除く): 17053178

約数列:

[1, 2, 5, 10, 67, 134, 335, 457, 670, 914, 2285, 4489, 4570, 8978, 22445, 30619, 44890, 61238, 153095, 306190, 2051473, 4102946, 10257365, 20514730]

約数ペア:

[(1, 20514730), (2, 10257365), (5, 4102946), (10, 2051473), (67, 306190), (134, 153095), (335, 61238), (457, 44890), (670, 30619), (914, 22445), (2285, 8978), (4489, 4570)]