20411405

素因数分解:

$5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{3371}}^1$

素因数の和:3556

約数の個数: 16

約数和(自身を含む): 28162944

約数和(自身を除く): 7751539

約数列:

[1, 5, 7, 35, 173, 865, 1211, 3371, 6055, 16855, 23597, 117985, 583183, 2915915, 4082281, 20411405]

約数ペア:

[(1, 20411405), (5, 4082281), (7, 2915915), (35, 583183), (173, 117985), (865, 23597), (1211, 16855), (3371, 6055)]