20395232

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4457}}^1$

素因数の和:4491

約数の個数: 48

約数和(自身を含む): 47183472

約数和(自身を除く): 26788240

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4457, 4576, 8914, 17828, 35656, 49027, 57941, 71312, 98054, 115882, 142624, 196108, 231764, 392216, 463528, 637351, 784432, 927056, 1274702, 1568864, 1854112, 2549404, 5098808, 10197616, 20395232]

約数ペア:

[(1, 20395232), (2, 10197616), (4, 5098808), (8, 2549404), (11, 1854112), (13, 1568864), (16, 1274702), (22, 927056), (26, 784432), (32, 637351), (44, 463528), (52, 392216), (88, 231764), (104, 196108), (143, 142624), (176, 115882), (208, 98054), (286, 71312), (352, 57941), (416, 49027), (572, 35656), (1144, 17828), (2288, 8914), (4457, 4576)]