20160742

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 39813120

約数和(自身を除く): 19652378

約数列:

[1, 2, 7, 14, 17, 23, 29, 34, 46, 58, 119, 127, 161, 203, 238, 254, 322, 391, 406, 493, 667, 782, 889, 986, 1334, 1778, 2159, 2737, 2921, 3451, 3683, 4318, 4669, 5474, 5842, 6902, 7366, 9338, 11339, 15113, 20447, 22678, 25781, 30226, 40894, 49657, 51562, 62611, 79373, 84709, 99314, 125222, 158746, 169418, 347599, 438277, 592963, 695198, 876554, 1185926, 1440053, 2880106, 10080371, 20160742]

約数ペア:

[(1, 20160742), (2, 10080371), (7, 2880106), (14, 1440053), (17, 1185926), (23, 876554), (29, 695198), (34, 592963), (46, 438277), (58, 347599), (119, 169418), (127, 158746), (161, 125222), (203, 99314), (238, 84709), (254, 79373), (322, 62611), (391, 51562), (406, 49657), (493, 40894), (667, 30226), (782, 25781), (889, 22678), (986, 20447), (1334, 15113), (1778, 11339), (2159, 9338), (2737, 7366), (2921, 6902), (3451, 5842), (3683, 5474), (4318, 4669)]