20173437718

素因数分解:

$2^1\times 7^1\times {\mathrm{1187}}^1\times {\mathrm{1213951}}^1$

素因数の和:1215147

約数の個数: 16

約数和(自身を含む): 34612199424

約数和(自身を除く): 14438761706

約数列:

[1, 2, 7, 14, 1187, 2374, 8309, 16618, 1213951, 2427902, 8497657, 16995314, 1440959837, 2881919674, 10086718859, 20173437718]

約数ペア:

[(1, 20173437718), (2, 10086718859), (7, 2881919674), (14, 1440959837), (1187, 16995314), (2374, 8497657), (8309, 2427902), (16618, 1213951)]