20215448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{13513}}^1$

素因数の和:13547

約数の個数: 32

約数和(自身を含む): 43785360

約数和(自身を除く): 23569912

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 13513, 27026, 54052, 108104, 148643, 229721, 297286, 459442, 594572, 918884, 1189144, 1837768, 2526931, 5053862, 10107724, 20215448]

約数ペア:

[(1, 20215448), (2, 10107724), (4, 5053862), (8, 2526931), (11, 1837768), (17, 1189144), (22, 918884), (34, 594572), (44, 459442), (68, 297286), (88, 229721), (136, 148643), (187, 108104), (374, 54052), (748, 27026), (1496, 13513)]