20245368

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1$

素因数の和:397

約数の個数: 128

約数和(自身を含む): 63141120

約数和(自身を除く): 42895752

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 17, 22, 24, 26, 33, 34, 39, 44, 51, 52, 66, 68, 78, 88, 102, 104, 132, 136, 143, 156, 187, 204, 221, 264, 286, 312, 347, 374, 408, 429, 442, 561, 572, 663, 694, 748, 858, 884, 1041, 1122, 1144, 1326, 1388, 1496, 1716, 1768, 2082, 2244, 2431, 2652, 2776, 3432, 3817, 4164, 4488, 4511, 4862, 5304, 5899, 7293, 7634, 8328, 9022, 9724, 11451, 11798, 13533, 14586, 15268, 17697, 18044, 19448, 22902, 23596, 27066, 29172, 30536, 35394, 36088, 45804, 47192, 49621, 54132, 58344, 64889, 70788, 76687, 91608, 99242, 108264, 129778, 141576, 148863, 153374, 194667, 198484, 230061, 259556, 297726, 306748, 389334, 396968, 460122, 519112, 595452, 613496, 778668, 843557, 920244, 1190904, 1557336, 1687114, 1840488, 2530671, 3374228, 5061342, 6748456, 10122684, 20245368]

約数ペア:

[(1, 20245368), (2, 10122684), (3, 6748456), (4, 5061342), (6, 3374228), (8, 2530671), (11, 1840488), (12, 1687114), (13, 1557336), (17, 1190904), (22, 920244), (24, 843557), (26, 778668), (33, 613496), (34, 595452), (39, 519112), (44, 460122), (51, 396968), (52, 389334), (66, 306748), (68, 297726), (78, 259556), (88, 230061), (102, 198484), (104, 194667), (132, 153374), (136, 148863), (143, 141576), (156, 129778), (187, 108264), (204, 99242), (221, 91608), (264, 76687), (286, 70788), (312, 64889), (347, 58344), (374, 54132), (408, 49621), (429, 47192), (442, 45804), (561, 36088), (572, 35394), (663, 30536), (694, 29172), (748, 27066), (858, 23596), (884, 22902), (1041, 19448), (1122, 18044), (1144, 17697), (1326, 15268), (1388, 14586), (1496, 13533), (1716, 11798), (1768, 11451), (2082, 9724), (2244, 9022), (2431, 8328), (2652, 7634), (2776, 7293), (3432, 5899), (3817, 5304), (4164, 4862), (4488, 4511)]