20677888

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1049}}^1$

素因数の和:1083

約数の個数: 72

約数和(自身を含む): 51508800

約数和(自身を除く): 30830912

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 256, 308, 352, 448, 616, 704, 896, 1049, 1232, 1408, 1792, 2098, 2464, 2816, 4196, 4928, 7343, 8392, 9856, 11539, 14686, 16784, 19712, 23078, 29372, 33568, 46156, 58744, 67136, 80773, 92312, 117488, 134272, 161546, 184624, 234976, 268544, 323092, 369248, 469952, 646184, 738496, 939904, 1292368, 1476992, 1879808, 2584736, 2953984, 5169472, 10338944, 20677888]

約数ペア:

[(1, 20677888), (2, 10338944), (4, 5169472), (7, 2953984), (8, 2584736), (11, 1879808), (14, 1476992), (16, 1292368), (22, 939904), (28, 738496), (32, 646184), (44, 469952), (56, 369248), (64, 323092), (77, 268544), (88, 234976), (112, 184624), (128, 161546), (154, 134272), (176, 117488), (224, 92312), (256, 80773), (308, 67136), (352, 58744), (448, 46156), (616, 33568), (704, 29372), (896, 23078), (1049, 19712), (1232, 16784), (1408, 14686), (1792, 11539), (2098, 9856), (2464, 8392), (2816, 7343), (4196, 4928)]