20393120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11587}}^1$

素因数の和:11613

約数の個数: 48

約数和(自身を含む): 52563168

約数和(自身を除く): 32170048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 11587, 23174, 46348, 57935, 92696, 115870, 127457, 185392, 231740, 254914, 370784, 463480, 509828, 637285, 926960, 1019656, 1274570, 1853920, 2039312, 2549140, 4078624, 5098280, 10196560, 20393120]

約数ペア:

[(1, 20393120), (2, 10196560), (4, 5098280), (5, 4078624), (8, 2549140), (10, 2039312), (11, 1853920), (16, 1274570), (20, 1019656), (22, 926960), (32, 637285), (40, 509828), (44, 463480), (55, 370784), (80, 254914), (88, 231740), (110, 185392), (160, 127457), (176, 115870), (220, 92696), (352, 57935), (440, 46348), (880, 23174), (1760, 11587)]