20002554

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:460

約数の個数: 96

約数和(自身を含む): 53726400

約数和(自身を除く): 33723846

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, 409, 418, 429, 494, 627, 741, 818, 858, 1227, 1254, 1287, 1482, 1881, 2223, 2454, 2574, 2717, 3681, 3762, 4446, 4499, 5317, 5434, 7362, 7771, 8151, 8998, 10634, 13497, 15542, 15951, 16302, 23313, 24453, 26994, 31902, 40491, 46626, 47853, 48906, 58487, 69939, 80982, 85481, 95706, 101023, 116974, 139878, 170962, 175461, 202046, 256443, 303069, 350922, 512886, 526383, 606138, 769329, 909207, 1052766, 1111253, 1538658, 1818414, 2222506, 3333759, 6667518, 10001277, 20002554]

約数ペア:

[(1, 20002554), (2, 10001277), (3, 6667518), (6, 3333759), (9, 2222506), (11, 1818414), (13, 1538658), (18, 1111253), (19, 1052766), (22, 909207), (26, 769329), (33, 606138), (38, 526383), (39, 512886), (57, 350922), (66, 303069), (78, 256443), (99, 202046), (114, 175461), (117, 170962), (143, 139878), (171, 116974), (198, 101023), (209, 95706), (234, 85481), (247, 80982), (286, 69939), (342, 58487), (409, 48906), (418, 47853), (429, 46626), (494, 40491), (627, 31902), (741, 26994), (818, 24453), (858, 23313), (1227, 16302), (1254, 15951), (1287, 15542), (1482, 13497), (1881, 10634), (2223, 8998), (2454, 8151), (2574, 7771), (2717, 7362), (3681, 5434), (3762, 5317), (4446, 4499)]