20397608

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{33113}}^1$

素因数の和:33137

約数の個数: 32

約数和(自身を含む): 47684160

約数和(自身を除く): 27286552

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 33113, 66226, 132452, 231791, 264904, 364243, 463582, 728486, 927164, 1456972, 1854328, 2549701, 2913944, 5099402, 10198804, 20397608]

約数ペア:

[(1, 20397608), (2, 10198804), (4, 5099402), (7, 2913944), (8, 2549701), (11, 1854328), (14, 1456972), (22, 927164), (28, 728486), (44, 463582), (56, 364243), (77, 264904), (88, 231791), (154, 132452), (308, 66226), (616, 33113)]