20175440140

素因数分解:

$2^2\times 5^1\times {\mathrm{7879}}^1\times {\mathrm{128033}}^1$

素因数の和:135921

約数の個数: 24

約数和(自身を含む): 42374132640

約数和(自身を除く): 22198692500

約数列:

[1, 2, 4, 5, 10, 20, 7879, 15758, 31516, 39395, 78790, 128033, 157580, 256066, 512132, 640165, 1280330, 2560660, 1008772007, 2017544014, 4035088028, 5043860035, 10087720070, 20175440140]

約数ペア:

[(1, 20175440140), (2, 10087720070), (4, 5043860035), (5, 4035088028), (10, 2017544014), (20, 1008772007), (7879, 2560660), (15758, 1280330), (31516, 640165), (39395, 512132), (78790, 256066), (128033, 157580)]