20163955308

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{4621}}^1$

素因数の和:4864

約数の個数: 144

約数和(自身を含む): 56387586528

約数和(自身を除く): 36223631220

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 49, 82, 84, 98, 123, 147, 164, 181, 196, 246, 287, 294, 362, 492, 543, 574, 588, 724, 861, 1086, 1148, 1267, 1722, 2009, 2172, 2534, 3444, 3801, 4018, 4621, 5068, 6027, 7421, 7602, 8036, 8869, 9242, 12054, 13863, 14842, 15204, 17738, 18484, 22263, 24108, 26607, 27726, 29684, 32347, 35476, 44526, 51947, 53214, 55452, 64694, 89052, 97041, 103894, 106428, 129388, 155841, 189461, 194082, 207788, 226429, 311682, 363629, 378922, 388164, 452858, 568383, 623364, 679287, 727258, 757844, 836401, 905716, 1090887, 1136766, 1326227, 1358574, 1454516, 1672802, 2181774, 2273532, 2509203, 2652454, 2717148, 3345604, 3978681, 4363548, 5018406, 5304908, 5854807, 7957362, 9283589, 10036812, 11709614, 15914724, 17564421, 18567178, 23419228, 27850767, 34292441, 35128842, 37134356, 40983649, 55701534, 68584882, 70257684, 81967298, 102877323, 111403068, 122950947, 137169764, 163934596, 205754646, 240047087, 245901894, 411509292, 480094174, 491803788, 720141261, 960188348, 1440282522, 1680329609, 2880565044, 3360659218, 5040988827, 6721318436, 10081977654, 20163955308]

約数ペア:

[(1, 20163955308), (2, 10081977654), (3, 6721318436), (4, 5040988827), (6, 3360659218), (7, 2880565044), (12, 1680329609), (14, 1440282522), (21, 960188348), (28, 720141261), (41, 491803788), (42, 480094174), (49, 411509292), (82, 245901894), (84, 240047087), (98, 205754646), (123, 163934596), (147, 137169764), (164, 122950947), (181, 111403068), (196, 102877323), (246, 81967298), (287, 70257684), (294, 68584882), (362, 55701534), (492, 40983649), (543, 37134356), (574, 35128842), (588, 34292441), (724, 27850767), (861, 23419228), (1086, 18567178), (1148, 17564421), (1267, 15914724), (1722, 11709614), (2009, 10036812), (2172, 9283589), (2534, 7957362), (3444, 5854807), (3801, 5304908), (4018, 5018406), (4621, 4363548), (5068, 3978681), (6027, 3345604), (7421, 2717148), (7602, 2652454), (8036, 2509203), (8869, 2273532), (9242, 2181774), (12054, 1672802), (13863, 1454516), (14842, 1358574), (15204, 1326227), (17738, 1136766), (18484, 1090887), (22263, 905716), (24108, 836401), (26607, 757844), (27726, 727258), (29684, 679287), (32347, 623364), (35476, 568383), (44526, 452858), (51947, 388164), (53214, 378922), (55452, 363629), (64694, 311682), (89052, 226429), (97041, 207788), (103894, 194082), (106428, 189461), (129388, 155841)]