20384644

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{38317}}^1$

素因数の和:38347

約数の個数: 24

約数和(自身を含む): 42916160

約数和(自身を除く): 22531516

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 38317, 76634, 153268, 268219, 536438, 728023, 1072876, 1456046, 2912092, 5096161, 10192322, 20384644]

約数ペア:

[(1, 20384644), (2, 10192322), (4, 5096161), (7, 2912092), (14, 1456046), (19, 1072876), (28, 728023), (38, 536438), (76, 268219), (133, 153268), (266, 76634), (532, 38317)]