20413876

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{4073}}^1$

素因数の和:4263

約数の個数: 24

約数和(自身を含む): 41065920

約数和(自身を除く): 20652044

約数列:

[1, 2, 4, 7, 14, 28, 179, 358, 716, 1253, 2506, 4073, 5012, 8146, 16292, 28511, 57022, 114044, 729067, 1458134, 2916268, 5103469, 10206938, 20413876]

約数ペア:

[(1, 20413876), (2, 10206938), (4, 5103469), (7, 2916268), (14, 1458134), (28, 729067), (179, 114044), (358, 57022), (716, 28511), (1253, 16292), (2506, 8146), (4073, 5012)]