20161555257

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{4115443}}^1$

素因数の和:4115540

約数の個数: 16

約数和(自身を含む): 28445948928

約数和(自身を除く): 8284393671

約数列:

[1, 3, 23, 69, 71, 213, 1633, 4899, 4115443, 12346329, 94655189, 283965567, 292196453, 876589359, 6720518419, 20161555257]

約数ペア:

[(1, 20161555257), (3, 6720518419), (23, 876589359), (69, 292196453), (71, 283965567), (213, 94655189), (1633, 12346329), (4899, 4115443)]