20158555781

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{9631417}}^1$

素因数の和:9631460

約数の個数: 16

約数和(自身を含む): 25889251584

約数和(自身を除く): 5730695803

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 9631417, 67419919, 125208421, 221522591, 876458947, 1550658137, 2879793683, 20158555781]

約数ペア:

[(1, 20158555781), (7, 2879793683), (13, 1550658137), (23, 876458947), (91, 221522591), (161, 125208421), (299, 67419919), (2093, 9631417)]