20951125888

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{743}}^1\times {\mathrm{2861}}^1$

素因数の和:3636

約数の個数: 128

約数和(自身を含む): 52125949440

約数和(自身を除く): 31174823552

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 308, 352, 448, 616, 704, 743, 896, 1232, 1408, 1486, 2464, 2861, 2972, 4928, 5201, 5722, 5944, 8173, 9856, 10402, 11444, 11888, 16346, 20027, 20804, 22888, 23776, 31471, 32692, 40054, 41608, 45776, 47552, 57211, 62942, 65384, 80108, 83216, 91552, 95104, 114422, 125884, 130768, 160216, 166432, 183104, 220297, 228844, 251768, 261536, 320432, 332864, 366208, 440594, 457688, 503536, 523072, 640864, 665728, 881188, 915376, 1007072, 1046144, 1281728, 1762376, 1830752, 2014144, 2125723, 2563456, 3524752, 3661504, 4028288, 4251446, 7049504, 7323008, 8502892, 14099008, 14880061, 17005784, 23382953, 28198016, 29760122, 34011568, 46765906, 59520244, 68023136, 93531812, 119040488, 136046272, 163680671, 187063624, 238080976, 272092544, 327361342, 374127248, 476161952, 654722684, 748254496, 952323904, 1309445368, 1496508992, 1904647808, 2618890736, 2993017984, 5237781472, 10475562944, 20951125888]

約数ペア:

[(1, 20951125888), (2, 10475562944), (4, 5237781472), (7, 2993017984), (8, 2618890736), (11, 1904647808), (14, 1496508992), (16, 1309445368), (22, 952323904), (28, 748254496), (32, 654722684), (44, 476161952), (56, 374127248), (64, 327361342), (77, 272092544), (88, 238080976), (112, 187063624), (128, 163680671), (154, 136046272), (176, 119040488), (224, 93531812), (308, 68023136), (352, 59520244), (448, 46765906), (616, 34011568), (704, 29760122), (743, 28198016), (896, 23382953), (1232, 17005784), (1408, 14880061), (1486, 14099008), (2464, 8502892), (2861, 7323008), (2972, 7049504), (4928, 4251446), (5201, 4028288), (5722, 3661504), (5944, 3524752), (8173, 2563456), (9856, 2125723), (10402, 2014144), (11444, 1830752), (11888, 1762376), (16346, 1281728), (20027, 1046144), (20804, 1007072), (22888, 915376), (23776, 881188), (31471, 665728), (32692, 640864), (40054, 523072), (41608, 503536), (45776, 457688), (47552, 440594), (57211, 366208), (62942, 332864), (65384, 320432), (80108, 261536), (83216, 251768), (91552, 228844), (95104, 220297), (114422, 183104), (125884, 166432), (130768, 160216)]