20331857

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{599}}^1$

素因数の和:992

約数の個数: 16

約数和(自身を含む): 25132800

約数和(自身を除く): 4800943

約数列:

[1, 7, 13, 91, 373, 599, 2611, 4193, 4849, 7787, 33943, 54509, 223427, 1563989, 2904551, 20331857]

約数ペア:

[(1, 20331857), (7, 2904551), (13, 1563989), (91, 223427), (373, 54509), (599, 33943), (2611, 7787), (4193, 4849)]