20935376

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16993}}^1$

素因数の和:17019

約数の個数: 40

約数和(自身を含む): 50574144

約数和(自身を除く): 29638768

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 16993, 33986, 67972, 118951, 135944, 186923, 237902, 271888, 373846, 475804, 747692, 951608, 1308461, 1495384, 1903216, 2616922, 2990768, 5233844, 10467688, 20935376]

約数ペア:

[(1, 20935376), (2, 10467688), (4, 5233844), (7, 2990768), (8, 2616922), (11, 1903216), (14, 1495384), (16, 1308461), (22, 951608), (28, 747692), (44, 475804), (56, 373846), (77, 271888), (88, 237902), (112, 186923), (154, 135944), (176, 118951), (308, 67972), (616, 33986), (1232, 16993)]