20620684

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{12073}}^1$

素因数の和:12145

約数の個数: 24

約数和(自身を含む): 41920928

約数和(自身を除く): 21300244

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 12073, 24146, 48292, 84511, 169022, 338044, 736453, 1472906, 2945812, 5155171, 10310342, 20620684]

約数ペア:

[(1, 20620684), (2, 10310342), (4, 5155171), (7, 2945812), (14, 1472906), (28, 736453), (61, 338044), (122, 169022), (244, 84511), (427, 48292), (854, 24146), (1708, 12073)]