20807501

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{641}}^1$

素因数の和:892

約数の個数: 16

約数和(自身を含む): 24591168

約数和(自身を除く): 3783667

約数列:

[1, 11, 13, 143, 227, 641, 2497, 2951, 7051, 8333, 32461, 91663, 145507, 1600577, 1891591, 20807501]

約数ペア:

[(1, 20807501), (11, 1891591), (13, 1600577), (143, 145507), (227, 91663), (641, 32461), (2497, 8333), (2951, 7051)]