20349888

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:322

約数の個数: 112

約数和(自身を含む): 60082176

約数和(自身を除く): 39732288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 156, 186, 192, 208, 248, 263, 312, 372, 403, 416, 496, 526, 624, 744, 789, 806, 832, 992, 1052, 1209, 1248, 1488, 1578, 1612, 1984, 2104, 2418, 2496, 2976, 3156, 3224, 3419, 4208, 4836, 5952, 6312, 6448, 6838, 8153, 8416, 9672, 10257, 12624, 12896, 13676, 16306, 16832, 19344, 20514, 24459, 25248, 25792, 27352, 32612, 38688, 41028, 48918, 50496, 54704, 65224, 77376, 82056, 97836, 105989, 109408, 130448, 164112, 195672, 211978, 218816, 260896, 317967, 328224, 391344, 423956, 521792, 635934, 656448, 782688, 847912, 1271868, 1565376, 1695824, 2543736, 3391648, 5087472, 6783296, 10174944, 20349888]

約数ペア:

[(1, 20349888), (2, 10174944), (3, 6783296), (4, 5087472), (6, 3391648), (8, 2543736), (12, 1695824), (13, 1565376), (16, 1271868), (24, 847912), (26, 782688), (31, 656448), (32, 635934), (39, 521792), (48, 423956), (52, 391344), (62, 328224), (64, 317967), (78, 260896), (93, 218816), (96, 211978), (104, 195672), (124, 164112), (156, 130448), (186, 109408), (192, 105989), (208, 97836), (248, 82056), (263, 77376), (312, 65224), (372, 54704), (403, 50496), (416, 48918), (496, 41028), (526, 38688), (624, 32612), (744, 27352), (789, 25792), (806, 25248), (832, 24459), (992, 20514), (1052, 19344), (1209, 16832), (1248, 16306), (1488, 13676), (1578, 12896), (1612, 12624), (1984, 10257), (2104, 9672), (2418, 8416), (2496, 8153), (2976, 6838), (3156, 6448), (3224, 6312), (3419, 5952), (4208, 4836)]