20145671

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4177}}^1$

素因数の和:4250

約数の個数: 16

約数和(自身を含む): 25268544

約数和(自身を除く): 5122873

約数列:

[1, 7, 13, 53, 91, 371, 689, 4177, 4823, 29239, 54301, 221381, 380107, 1549667, 2877953, 20145671]

約数ペア:

[(1, 20145671), (7, 2877953), (13, 1549667), (53, 380107), (91, 221381), (371, 54301), (689, 29239), (4177, 4823)]