20123404

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{5659}}^1$

素因数の和:5797

約数の個数: 24

約数和(自身を含む): 40570880

約数和(自身を除く): 20447476

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 5659, 11318, 22636, 39613, 79226, 158452, 718693, 1437386, 2874772, 5030851, 10061702, 20123404]

約数ペア:

[(1, 20123404), (2, 10061702), (4, 5030851), (7, 2874772), (14, 1437386), (28, 718693), (127, 158452), (254, 79226), (508, 39613), (889, 22636), (1778, 11318), (3556, 5659)]