20346098260

素因数分解:

$2^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{1399319}}^1$

素因数の和:1400055

約数の個数: 24

約数和(自身を含む): 42785608320

約数和(自身を除く): 22439510060

約数列:

[1, 2, 4, 5, 10, 20, 727, 1454, 2908, 3635, 7270, 14540, 1399319, 2798638, 5597276, 6996595, 13993190, 27986380, 1017304913, 2034609826, 4069219652, 5086524565, 10173049130, 20346098260]

約数ペア:

[(1, 20346098260), (2, 10173049130), (4, 5086524565), (5, 4069219652), (10, 2034609826), (20, 1017304913), (727, 27986380), (1454, 13993190), (2908, 6996595), (3635, 5597276), (7270, 2798638), (14540, 1399319)]