20160858985

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1\times {\mathrm{1489}}^1$

素因数の和:2089

約数の個数: 32

約数和(自身を含む): 24902691840

約数和(自身を除く): 4741832855

約数列:

[1, 5, 61, 103, 305, 431, 515, 1489, 2155, 6283, 7445, 26291, 31415, 44393, 90829, 131455, 153367, 221965, 454145, 641759, 766835, 2707973, 3208795, 9355387, 13539865, 39147299, 46776935, 66101177, 195736495, 330505885, 4032171797, 20160858985]

約数ペア:

[(1, 20160858985), (5, 4032171797), (61, 330505885), (103, 195736495), (305, 66101177), (431, 46776935), (515, 39147299), (1489, 13539865), (2155, 9355387), (6283, 3208795), (7445, 2707973), (26291, 766835), (31415, 641759), (44393, 454145), (90829, 221965), (131455, 153367)]