20185287564

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{358429}}^1$

素因数の和:358487

約数の個数: 72

約数和(自身を含む): 53532237360

約数和(自身を除く): 33346949796

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 361, 494, 722, 741, 988, 1083, 1444, 1482, 2166, 2964, 4332, 4693, 9386, 14079, 18772, 28158, 56316, 358429, 716858, 1075287, 1433716, 2150574, 4301148, 4659577, 6810151, 9319154, 13620302, 13978731, 18638308, 20430453, 27240604, 27957462, 40860906, 55914924, 81721812, 88531963, 129392869, 177063926, 258785738, 265595889, 354127852, 388178607, 517571476, 531191778, 776357214, 1062383556, 1552714428, 1682107297, 3364214594, 5046321891, 6728429188, 10092643782, 20185287564]

約数ペア:

[(1, 20185287564), (2, 10092643782), (3, 6728429188), (4, 5046321891), (6, 3364214594), (12, 1682107297), (13, 1552714428), (19, 1062383556), (26, 776357214), (38, 531191778), (39, 517571476), (52, 388178607), (57, 354127852), (76, 265595889), (78, 258785738), (114, 177063926), (156, 129392869), (228, 88531963), (247, 81721812), (361, 55914924), (494, 40860906), (722, 27957462), (741, 27240604), (988, 20430453), (1083, 18638308), (1444, 13978731), (1482, 13620302), (2166, 9319154), (2964, 6810151), (4332, 4659577), (4693, 4301148), (9386, 2150574), (14079, 1433716), (18772, 1075287), (28158, 716858), (56316, 358429)]