20620866

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{70139}}^1$

素因数の和:70158

約数の個数: 24

約数和(自身を含む): 47975760

約数和(自身を除く): 27354894

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 70139, 140278, 210417, 420834, 490973, 981946, 1472919, 2945838, 3436811, 6873622, 10310433, 20620866]

約数ペア:

[(1, 20620866), (2, 10310433), (3, 6873622), (6, 3436811), (7, 2945838), (14, 1472919), (21, 981946), (42, 490973), (49, 420834), (98, 210417), (147, 140278), (294, 70139)]