20218290064

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^2\times {\mathrm{4547}}^1$

素因数の和:4665

約数の個数: 120

約数和(自身を含む): 47608827840

約数和(自身を除く): 27390537776

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 37, 56, 58, 74, 112, 116, 148, 203, 232, 259, 296, 406, 464, 518, 592, 812, 1036, 1073, 1369, 1624, 2072, 2146, 2738, 3248, 4144, 4292, 4547, 5476, 7511, 8584, 9094, 9583, 10952, 15022, 17168, 18188, 19166, 21904, 30044, 31829, 36376, 38332, 39701, 60088, 63658, 72752, 76664, 79402, 120176, 127316, 131863, 153328, 158804, 168239, 254632, 263726, 277907, 317608, 336478, 509264, 527452, 555814, 635216, 672956, 923041, 1054904, 1111628, 1177673, 1345912, 1846082, 2109808, 2223256, 2355346, 2691824, 3692164, 4446512, 4710692, 4878931, 6224843, 7384328, 9421384, 9757862, 12449686, 14768656, 18842768, 19515724, 24899372, 34152517, 39031448, 43573901, 49798744, 68305034, 78062896, 87147802, 99597488, 136610068, 174295604, 180520447, 273220136, 348591208, 361040894, 546440272, 697182416, 722081788, 1263643129, 1444163576, 2527286258, 2888327152, 5054572516, 10109145032, 20218290064]

約数ペア:

[(1, 20218290064), (2, 10109145032), (4, 5054572516), (7, 2888327152), (8, 2527286258), (14, 1444163576), (16, 1263643129), (28, 722081788), (29, 697182416), (37, 546440272), (56, 361040894), (58, 348591208), (74, 273220136), (112, 180520447), (116, 174295604), (148, 136610068), (203, 99597488), (232, 87147802), (259, 78062896), (296, 68305034), (406, 49798744), (464, 43573901), (518, 39031448), (592, 34152517), (812, 24899372), (1036, 19515724), (1073, 18842768), (1369, 14768656), (1624, 12449686), (2072, 9757862), (2146, 9421384), (2738, 7384328), (3248, 6224843), (4144, 4878931), (4292, 4710692), (4547, 4446512), (5476, 3692164), (7511, 2691824), (8584, 2355346), (9094, 2223256), (9583, 2109808), (10952, 1846082), (15022, 1345912), (17168, 1177673), (18188, 1111628), (19166, 1054904), (21904, 923041), (30044, 672956), (31829, 635216), (36376, 555814), (38332, 527452), (39701, 509264), (60088, 336478), (63658, 317608), (72752, 277907), (76664, 263726), (79402, 254632), (120176, 168239), (127316, 158804), (131863, 153328)]