20808437405

素因数分解:

$5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{3436571}}^1$

素因数の和:3436756

約数の個数: 16

約数和(自身を含む): 28702249344

約数和(自身を除く): 7893811939

約数列:

[1, 5, 7, 35, 173, 865, 1211, 6055, 3436571, 17182855, 24055997, 120279985, 594526783, 2972633915, 4161687481, 20808437405]

約数ペア:

[(1, 20808437405), (5, 4161687481), (7, 2972633915), (35, 594526783), (173, 120279985), (865, 24055997), (1211, 17182855), (6055, 3436571)]