20468225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1051}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 27394080

約数和(自身を除く): 6925855

約数列:

[1, 5, 19, 25, 41, 95, 205, 475, 779, 1025, 1051, 3895, 5255, 19475, 19969, 26275, 43091, 99845, 215455, 499225, 818729, 1077275, 4093645, 20468225]

約数ペア:

[(1, 20468225), (5, 4093645), (19, 1077275), (25, 818729), (41, 499225), (95, 215455), (205, 99845), (475, 43091), (779, 26275), (1025, 19969), (1051, 19475), (3895, 5255)]