20275801

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1231}}^1$

素因数の和:1432

約数の個数: 16

約数和(自身を含む): 25113088

約数和(自身を除く): 4837287

約数列:

[1, 7, 13, 91, 181, 1231, 1267, 2353, 8617, 16003, 16471, 112021, 222811, 1559677, 2896543, 20275801]

約数ペア:

[(1, 20275801), (7, 2896543), (13, 1559677), (91, 222811), (181, 112021), (1231, 16471), (1267, 16003), (2353, 8617)]