20365830

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1$

素因数の和:85

約数の個数: 144

約数和(自身を含む): 60343920

約数和(自身を除く): 39978090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 29, 30, 34, 45, 51, 54, 58, 81, 85, 87, 90, 102, 135, 145, 153, 162, 170, 174, 243, 255, 261, 270, 289, 290, 306, 405, 435, 459, 486, 493, 510, 522, 578, 765, 783, 810, 867, 870, 918, 986, 1215, 1305, 1377, 1445, 1479, 1530, 1566, 1734, 2295, 2349, 2430, 2465, 2601, 2610, 2754, 2890, 2958, 3915, 4131, 4335, 4437, 4590, 4698, 4930, 5202, 6885, 7047, 7395, 7803, 7830, 8262, 8381, 8670, 8874, 11745, 13005, 13311, 13770, 14094, 14790, 15606, 16762, 20655, 22185, 23409, 23490, 25143, 26010, 26622, 35235, 39015, 39933, 41310, 41905, 44370, 46818, 50286, 66555, 70227, 70470, 75429, 78030, 79866, 83810, 117045, 119799, 125715, 133110, 140454, 150858, 199665, 226287, 234090, 239598, 251430, 351135, 377145, 399330, 452574, 598995, 678861, 702270, 754290, 1131435, 1197990, 1357722, 2036583, 2262870, 3394305, 4073166, 6788610, 10182915, 20365830]

約数ペア:

[(1, 20365830), (2, 10182915), (3, 6788610), (5, 4073166), (6, 3394305), (9, 2262870), (10, 2036583), (15, 1357722), (17, 1197990), (18, 1131435), (27, 754290), (29, 702270), (30, 678861), (34, 598995), (45, 452574), (51, 399330), (54, 377145), (58, 351135), (81, 251430), (85, 239598), (87, 234090), (90, 226287), (102, 199665), (135, 150858), (145, 140454), (153, 133110), (162, 125715), (170, 119799), (174, 117045), (243, 83810), (255, 79866), (261, 78030), (270, 75429), (289, 70470), (290, 70227), (306, 66555), (405, 50286), (435, 46818), (459, 44370), (486, 41905), (493, 41310), (510, 39933), (522, 39015), (578, 35235), (765, 26622), (783, 26010), (810, 25143), (867, 23490), (870, 23409), (918, 22185), (986, 20655), (1215, 16762), (1305, 15606), (1377, 14790), (1445, 14094), (1479, 13770), (1530, 13311), (1566, 13005), (1734, 11745), (2295, 8874), (2349, 8670), (2430, 8381), (2465, 8262), (2601, 7830), (2610, 7803), (2754, 7395), (2890, 7047), (2958, 6885), (3915, 5202), (4131, 4930), (4335, 4698), (4437, 4590)]