20552875

素因数分解:

$5^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{283}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 29772288

約数和(自身を除く): 9219413

約数列:

[1, 5, 7, 25, 35, 83, 125, 175, 283, 415, 581, 875, 1415, 1981, 2075, 2905, 7075, 9905, 10375, 14525, 23489, 35375, 49525, 72625, 117445, 164423, 247625, 587225, 822115, 2936125, 4110575, 20552875]

約数ペア:

[(1, 20552875), (5, 4110575), (7, 2936125), (25, 822115), (35, 587225), (83, 247625), (125, 164423), (175, 117445), (283, 72625), (415, 49525), (581, 35375), (875, 23489), (1415, 14525), (1981, 10375), (2075, 9905), (2905, 7075)]