20449016

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19219}}^1$

素因数の和:19251

約数の個数: 32

約数和(自身を含む): 46128000

約数和(自身を除く): 25678984

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19219, 38438, 76876, 134533, 153752, 269066, 365161, 538132, 730322, 1076264, 1460644, 2556127, 2921288, 5112254, 10224508, 20449016]

約数ペア:

[(1, 20449016), (2, 10224508), (4, 5112254), (7, 2921288), (8, 2556127), (14, 1460644), (19, 1076264), (28, 730322), (38, 538132), (56, 365161), (76, 269066), (133, 153752), (152, 134533), (266, 76876), (532, 38438), (1064, 19219)]