20591568

素因数分解:

$2^4\times 3^2\times {\mathrm{151}}^1\times {\mathrm{947}}^1$

素因数の和:1112

約数の個数: 60

約数和(自身を含む): 58070688

約数和(自身を除く): 37479120

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 151, 302, 453, 604, 906, 947, 1208, 1359, 1812, 1894, 2416, 2718, 2841, 3624, 3788, 5436, 5682, 7248, 7576, 8523, 10872, 11364, 15152, 17046, 21744, 22728, 34092, 45456, 68184, 136368, 142997, 285994, 428991, 571988, 857982, 1143976, 1286973, 1715964, 2287952, 2573946, 3431928, 5147892, 6863856, 10295784, 20591568]

約数ペア:

[(1, 20591568), (2, 10295784), (3, 6863856), (4, 5147892), (6, 3431928), (8, 2573946), (9, 2287952), (12, 1715964), (16, 1286973), (18, 1143976), (24, 857982), (36, 571988), (48, 428991), (72, 285994), (144, 142997), (151, 136368), (302, 68184), (453, 45456), (604, 34092), (906, 22728), (947, 21744), (1208, 17046), (1359, 15152), (1812, 11364), (1894, 10872), (2416, 8523), (2718, 7576), (2841, 7248), (3624, 5682), (3788, 5436)]