20491614

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:470

約数の個数: 96

約数和(自身を含む): 55036800

約数和(自身を除く): 34545186

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 19, 22, 26, 33, 38, 39, 57, 66, 78, 99, 114, 117, 143, 171, 198, 209, 234, 247, 286, 342, 418, 419, 429, 494, 627, 741, 838, 858, 1254, 1257, 1287, 1482, 1881, 2223, 2514, 2574, 2717, 3762, 3771, 4446, 4609, 5434, 5447, 7542, 7961, 8151, 9218, 10894, 13827, 15922, 16302, 16341, 23883, 24453, 27654, 32682, 41481, 47766, 48906, 49023, 59917, 71649, 82962, 87571, 98046, 103493, 119834, 143298, 175142, 179751, 206986, 262713, 310479, 359502, 525426, 539253, 620958, 788139, 931437, 1078506, 1138423, 1576278, 1862874, 2276846, 3415269, 6830538, 10245807, 20491614]

約数ペア:

[(1, 20491614), (2, 10245807), (3, 6830538), (6, 3415269), (9, 2276846), (11, 1862874), (13, 1576278), (18, 1138423), (19, 1078506), (22, 931437), (26, 788139), (33, 620958), (38, 539253), (39, 525426), (57, 359502), (66, 310479), (78, 262713), (99, 206986), (114, 179751), (117, 175142), (143, 143298), (171, 119834), (198, 103493), (209, 98046), (234, 87571), (247, 82962), (286, 71649), (342, 59917), (418, 49023), (419, 48906), (429, 47766), (494, 41481), (627, 32682), (741, 27654), (838, 24453), (858, 23883), (1254, 16341), (1257, 16302), (1287, 15922), (1482, 13827), (1881, 10894), (2223, 9218), (2514, 8151), (2574, 7961), (2717, 7542), (3762, 5447), (3771, 5434), (4446, 4609)]