20176870912

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{8087}}^1$

素因数の和:8559

約数の個数: 80

約数和(自身を含む): 44083999872

約数和(自身を除く): 23907128960

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 443, 512, 704, 886, 1408, 1772, 2816, 3544, 4873, 5632, 7088, 8087, 9746, 14176, 16174, 19492, 28352, 32348, 38984, 56704, 64696, 77968, 88957, 113408, 129392, 155936, 177914, 226816, 258784, 311872, 355828, 517568, 623744, 711656, 1035136, 1247488, 1423312, 2070272, 2494976, 2846624, 3582541, 4140544, 5693248, 7165082, 11386496, 14330164, 22772992, 28660328, 39407951, 45545984, 57320656, 78815902, 114641312, 157631804, 229282624, 315263608, 458565248, 630527216, 917130496, 1261054432, 1834260992, 2522108864, 5044217728, 10088435456, 20176870912]

約数ペア:

[(1, 20176870912), (2, 10088435456), (4, 5044217728), (8, 2522108864), (11, 1834260992), (16, 1261054432), (22, 917130496), (32, 630527216), (44, 458565248), (64, 315263608), (88, 229282624), (128, 157631804), (176, 114641312), (256, 78815902), (352, 57320656), (443, 45545984), (512, 39407951), (704, 28660328), (886, 22772992), (1408, 14330164), (1772, 11386496), (2816, 7165082), (3544, 5693248), (4873, 4140544), (5632, 3582541), (7088, 2846624), (8087, 2494976), (9746, 2070272), (14176, 1423312), (16174, 1247488), (19492, 1035136), (28352, 711656), (32348, 623744), (38984, 517568), (56704, 355828), (64696, 311872), (77968, 258784), (88957, 226816), (113408, 177914), (129392, 155936)]