20073158

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 40227840

約数和(自身を除く): 20154682

約数列:

[1, 2, 7, 14, 17, 19, 23, 34, 38, 46, 119, 133, 161, 193, 238, 266, 322, 323, 386, 391, 437, 646, 782, 874, 1351, 2261, 2702, 2737, 3059, 3281, 3667, 4439, 4522, 5474, 6118, 6562, 7334, 7429, 8878, 14858, 22967, 25669, 31073, 45934, 51338, 52003, 62146, 62339, 75463, 84341, 104006, 124678, 150926, 168682, 436373, 528241, 590387, 872746, 1056482, 1180774, 1433797, 2867594, 10036579, 20073158]

約数ペア:

[(1, 20073158), (2, 10036579), (7, 2867594), (14, 1433797), (17, 1180774), (19, 1056482), (23, 872746), (34, 590387), (38, 528241), (46, 436373), (119, 168682), (133, 150926), (161, 124678), (193, 104006), (238, 84341), (266, 75463), (322, 62339), (323, 62146), (386, 52003), (391, 51338), (437, 45934), (646, 31073), (782, 25669), (874, 22967), (1351, 14858), (2261, 8878), (2702, 7429), (2737, 7334), (3059, 6562), (3281, 6118), (3667, 5474), (4439, 4522)]