20757404

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{1061}}^1$

素因数の和:1205

約数の個数: 24

約数和(自身を含む): 37407888

約数和(自身を除く): 16650484

約数列:

[1, 2, 4, 67, 73, 134, 146, 268, 292, 1061, 2122, 4244, 4891, 9782, 19564, 71087, 77453, 142174, 154906, 284348, 309812, 5189351, 10378702, 20757404]

約数ペア:

[(1, 20757404), (2, 10378702), (4, 5189351), (67, 309812), (73, 284348), (134, 154906), (146, 142174), (268, 77453), (292, 71087), (1061, 19564), (2122, 9782), (4244, 4891)]