20431495

素因数分解:

$5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{4261}}^1$

素因数の和:4410

約数の個数: 16

約数和(自身を含む): 28231488

約数和(自身を除く): 7799993

約数列:

[1, 5, 7, 35, 137, 685, 959, 4261, 4795, 21305, 29827, 149135, 583757, 2918785, 4086299, 20431495]

約数ペア:

[(1, 20431495), (5, 4086299), (7, 2918785), (35, 583757), (137, 149135), (685, 29827), (959, 21305), (4261, 4795)]