20165925045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{240371}}^1$

素因数の和:240450

約数の個数: 64

約数和(自身を含む): 39874830336

約数和(自身を除く): 19708905291

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 47, 51, 85, 105, 119, 141, 235, 255, 329, 357, 595, 705, 799, 987, 1645, 1785, 2397, 3995, 4935, 5593, 11985, 16779, 27965, 83895, 240371, 721113, 1201855, 1682597, 3605565, 4086307, 5047791, 8412985, 11297437, 12258921, 20431535, 25238955, 28604149, 33892311, 56487185, 61294605, 79082059, 85812447, 143020745, 169461555, 192056429, 237246177, 395410295, 429062235, 576169287, 960282145, 1186230885, 1344395003, 2880846435, 4033185009, 6721975015, 20165925045]

約数ペア:

[(1, 20165925045), (3, 6721975015), (5, 4033185009), (7, 2880846435), (15, 1344395003), (17, 1186230885), (21, 960282145), (35, 576169287), (47, 429062235), (51, 395410295), (85, 237246177), (105, 192056429), (119, 169461555), (141, 143020745), (235, 85812447), (255, 79082059), (329, 61294605), (357, 56487185), (595, 33892311), (705, 28604149), (799, 25238955), (987, 20431535), (1645, 12258921), (1785, 11297437), (2397, 8412985), (3995, 5047791), (4935, 4086307), (5593, 3605565), (11985, 1682597), (16779, 1201855), (27965, 721113), (83895, 240371)]