20200580162

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2\times {\mathrm{131}}^1$

素因数の和:293

約数の個数: 144

約数和(自身を含む): 38968661952

約数和(自身を除く): 18768081790

約数列:

[1, 2, 7, 14, 23, 37, 43, 46, 49, 74, 86, 98, 131, 161, 259, 262, 301, 322, 518, 602, 851, 917, 989, 1127, 1591, 1702, 1813, 1834, 1849, 1978, 2107, 2254, 3013, 3182, 3626, 3698, 4214, 4847, 5633, 5957, 6026, 6419, 6923, 9694, 11137, 11266, 11914, 12838, 12943, 13846, 21091, 22274, 25886, 33929, 36593, 39431, 41699, 42182, 42527, 48461, 67858, 68413, 73186, 77959, 78862, 83398, 85054, 90601, 96922, 111481, 129559, 136826, 147637, 155918, 181202, 208421, 222962, 237503, 242219, 256151, 259118, 276017, 295274, 297689, 416842, 475006, 478891, 484438, 512302, 552034, 595378, 780367, 906913, 957782, 1458947, 1560734, 1573499, 1695533, 1793057, 1813826, 2083823, 2917894, 3146998, 3352237, 3391066, 3586114, 4167646, 4793683, 5462569, 5571037, 6348391, 6704474, 8962103, 9587366, 10212629, 10925138, 11014493, 11142074, 11868731, 12696782, 17924206, 20425258, 22028986, 23737462, 33555781, 38997259, 62734721, 67111562, 77101451, 77994518, 125469442, 154202902, 206128369, 234890467, 272980813, 412256738, 439143047, 469780934, 545961626, 878286094, 1442898583, 2885797166, 10100290081, 20200580162]

約数ペア:

[(1, 20200580162), (2, 10100290081), (7, 2885797166), (14, 1442898583), (23, 878286094), (37, 545961626), (43, 469780934), (46, 439143047), (49, 412256738), (74, 272980813), (86, 234890467), (98, 206128369), (131, 154202902), (161, 125469442), (259, 77994518), (262, 77101451), (301, 67111562), (322, 62734721), (518, 38997259), (602, 33555781), (851, 23737462), (917, 22028986), (989, 20425258), (1127, 17924206), (1591, 12696782), (1702, 11868731), (1813, 11142074), (1834, 11014493), (1849, 10925138), (1978, 10212629), (2107, 9587366), (2254, 8962103), (3013, 6704474), (3182, 6348391), (3626, 5571037), (3698, 5462569), (4214, 4793683), (4847, 4167646), (5633, 3586114), (5957, 3391066), (6026, 3352237), (6419, 3146998), (6923, 2917894), (9694, 2083823), (11137, 1813826), (11266, 1793057), (11914, 1695533), (12838, 1573499), (12943, 1560734), (13846, 1458947), (21091, 957782), (22274, 906913), (25886, 780367), (33929, 595378), (36593, 552034), (39431, 512302), (41699, 484438), (42182, 478891), (42527, 475006), (48461, 416842), (67858, 297689), (68413, 295274), (73186, 276017), (77959, 259118), (78862, 256151), (83398, 242219), (85054, 237503), (90601, 222962), (96922, 208421), (111481, 181202), (129559, 155918), (136826, 147637)]