20128946788

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{2085469}}^1$

素因数の和:2085619

約数の個数: 24

約数和(自身を含む): 37371622400

約数和(自身を除く): 17242675612

約数列:

[1, 2, 4, 19, 38, 76, 127, 254, 508, 2413, 4826, 9652, 2085469, 4170938, 8341876, 39623911, 79247822, 158495644, 264854563, 529709126, 1059418252, 5032236697, 10064473394, 20128946788]

約数ペア:

[(1, 20128946788), (2, 10064473394), (4, 5032236697), (19, 1059418252), (38, 529709126), (76, 264854563), (127, 158495644), (254, 79247822), (508, 39623911), (2413, 8341876), (4826, 4170938), (9652, 2085469)]