20168585

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{2113}}^1$

素因数の和:2224

約数の個数: 16

約数和(自身を含む): 25570944

約数和(自身を除く): 5402359

約数列:

[1, 5, 23, 83, 115, 415, 1909, 2113, 9545, 10565, 48599, 175379, 242995, 876895, 4033717, 20168585]

約数ペア:

[(1, 20168585), (5, 4033717), (23, 876895), (83, 242995), (115, 175379), (415, 48599), (1909, 10565), (2113, 9545)]