20028618

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:152

約数の個数: 96

約数和(自身を含む): 49617360

約数和(自身を除く): 29588742

約数列:

[1, 2, 3, 6, 9, 17, 18, 29, 34, 37, 51, 58, 61, 74, 87, 102, 111, 122, 153, 174, 183, 222, 261, 306, 333, 366, 493, 522, 549, 629, 666, 986, 1037, 1073, 1098, 1258, 1479, 1769, 1887, 2074, 2146, 2257, 2958, 3111, 3219, 3538, 3774, 4437, 4514, 5307, 5661, 6222, 6438, 6771, 8874, 9333, 9657, 10614, 11322, 13542, 15921, 18241, 18666, 19314, 20313, 30073, 31842, 36482, 38369, 40626, 54723, 60146, 65453, 76738, 90219, 109446, 115107, 130906, 164169, 180438, 196359, 230214, 270657, 328338, 345321, 392718, 541314, 589077, 690642, 1112701, 1178154, 2225402, 3338103, 6676206, 10014309, 20028618]

約数ペア:

[(1, 20028618), (2, 10014309), (3, 6676206), (6, 3338103), (9, 2225402), (17, 1178154), (18, 1112701), (29, 690642), (34, 589077), (37, 541314), (51, 392718), (58, 345321), (61, 328338), (74, 270657), (87, 230214), (102, 196359), (111, 180438), (122, 164169), (153, 130906), (174, 115107), (183, 109446), (222, 90219), (261, 76738), (306, 65453), (333, 60146), (366, 54723), (493, 40626), (522, 38369), (549, 36482), (629, 31842), (666, 30073), (986, 20313), (1037, 19314), (1073, 18666), (1098, 18241), (1258, 15921), (1479, 13542), (1769, 11322), (1887, 10614), (2074, 9657), (2146, 9333), (2257, 8874), (2958, 6771), (3111, 6438), (3219, 6222), (3538, 5661), (3774, 5307), (4437, 4514)]