20087777372

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{131}}^1\times {\mathrm{17449}}^1$

素因数の和:17623

約数の個数: 48

約数和(自身を含む): 38374644000

約数和(自身を除く): 18286866628

約数列:

[1, 2, 4, 13, 26, 52, 131, 169, 262, 338, 524, 676, 1703, 2197, 3406, 4394, 6812, 8788, 17449, 22139, 34898, 44278, 69796, 88556, 226837, 287807, 453674, 575614, 907348, 1151228, 2285819, 2948881, 4571638, 5897762, 9143276, 11795524, 29715647, 38335453, 59431294, 76670906, 118862588, 153341812, 386303411, 772606822, 1545213644, 5021944343, 10043888686, 20087777372]

約数ペア:

[(1, 20087777372), (2, 10043888686), (4, 5021944343), (13, 1545213644), (26, 772606822), (52, 386303411), (131, 153341812), (169, 118862588), (262, 76670906), (338, 59431294), (524, 38335453), (676, 29715647), (1703, 11795524), (2197, 9143276), (3406, 5897762), (4394, 4571638), (6812, 2948881), (8788, 2285819), (17449, 1151228), (22139, 907348), (34898, 575614), (44278, 453674), (69796, 287807), (88556, 226837)]