20006005

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{383}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 24920064

約数和(自身を除く): 4914059

約数列:

[1, 5, 31, 155, 337, 383, 1685, 1915, 10447, 11873, 52235, 59365, 129071, 645355, 4001201, 20006005]

約数ペア:

[(1, 20006005), (5, 4001201), (31, 645355), (155, 129071), (337, 59365), (383, 52235), (1685, 11873), (1915, 10447)]