20161538354

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{571}}^1\times {\mathrm{1901}}^1$

素因数の和:2762

約数の個数: 32

約数和(自身を含む): 31254455232

約数和(自身を除く): 11092916878

約数列:

[1, 2, 37, 74, 251, 502, 571, 1142, 1901, 3802, 9287, 18574, 21127, 42254, 70337, 140674, 143321, 286642, 477151, 954302, 1085471, 2170942, 5302877, 10605754, 17654587, 35309174, 40162427, 80324854, 272453221, 544906442, 10080769177, 20161538354]

約数ペア:

[(1, 20161538354), (2, 10080769177), (37, 544906442), (74, 272453221), (251, 80324854), (502, 40162427), (571, 35309174), (1142, 17654587), (1901, 10605754), (3802, 5302877), (9287, 2170942), (18574, 1085471), (21127, 954302), (42254, 477151), (70337, 286642), (140674, 143321)]