22720675

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1543}}^1$

素因数の和:1603

約数の個数: 24

約数和(自身を含む): 30632960

約数和(自身を除く): 7912285

約数列:

[1, 5, 19, 25, 31, 95, 155, 475, 589, 775, 1543, 2945, 7715, 14725, 29317, 38575, 47833, 146585, 239165, 732925, 908827, 1195825, 4544135, 22720675]

約数ペア:

[(1, 22720675), (5, 4544135), (19, 1195825), (25, 908827), (31, 732925), (95, 239165), (155, 146585), (475, 47833), (589, 38575), (775, 29317), (1543, 14725), (2945, 7715)]