20436628

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{2467}}^1$

素因数の和:2599

約数の個数: 24

約数和(自身を含む): 38007200

約数和(自身を除く): 17570572

約数列:

[1, 2, 4, 19, 38, 76, 109, 218, 436, 2071, 2467, 4142, 4934, 8284, 9868, 46873, 93746, 187492, 268903, 537806, 1075612, 5109157, 10218314, 20436628]

約数ペア:

[(1, 20436628), (2, 10218314), (4, 5109157), (19, 1075612), (38, 537806), (76, 268903), (109, 187492), (218, 93746), (436, 46873), (2071, 9868), (2467, 8284), (4142, 4934)]