20526380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{146617}}^1$

素因数の和:146633

約数の個数: 24

約数和(自身を含む): 49263648

約数和(自身を除く): 28737268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 146617, 293234, 586468, 733085, 1026319, 1466170, 2052638, 2932340, 4105276, 5131595, 10263190, 20526380]

約数ペア:

[(1, 20526380), (2, 10263190), (4, 5131595), (5, 4105276), (7, 2932340), (10, 2052638), (14, 1466170), (20, 1026319), (28, 733085), (35, 586468), (70, 293234), (140, 146617)]