20776780

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2741}}^1$

素因数の和:3129

約数の個数: 24

約数和(自身を含む): 43762320

約数和(自身を除く): 22985540

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 2741, 3790, 5482, 7580, 10964, 13705, 27410, 54820, 1038839, 2077678, 4155356, 5194195, 10388390, 20776780]

約数ペア:

[(1, 20776780), (2, 10388390), (4, 5194195), (5, 4155356), (10, 2077678), (20, 1038839), (379, 54820), (758, 27410), (1516, 13705), (1895, 10964), (2741, 7580), (3790, 5482)]