20167121

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:452

約数の個数: 16

約数和(自身を含む): 22482768

約数和(自身を除く): 2315647

約数列:

[1, 13, 41, 157, 241, 533, 2041, 3133, 6437, 9881, 37837, 83681, 128453, 491881, 1551317, 20167121]

約数ペア:

[(1, 20167121), (13, 1551317), (41, 491881), (157, 128453), (241, 83681), (533, 37837), (2041, 9881), (3133, 6437)]