19805875

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{83}}^2$

素因数の和:204

約数の個数: 24

約数和(自身を含む): 26106912

約数和(自身を除く): 6301037

約数列:

[1, 5, 23, 25, 83, 115, 125, 415, 575, 1909, 2075, 2875, 6889, 9545, 10375, 34445, 47725, 158447, 172225, 238625, 792235, 861125, 3961175, 19805875]

約数ペア:

[(1, 19805875), (5, 3961175), (23, 861125), (25, 792235), (83, 238625), (115, 172225), (125, 158447), (415, 47725), (575, 34445), (1909, 10375), (2075, 9545), (2875, 6889)]