20465786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{5197}}^1$

素因数の和:5389

約数の個数: 16

約数和(自身を含む): 33683040

約数和(自身を除く): 13217254

約数列:

[1, 2, 11, 22, 179, 358, 1969, 3938, 5197, 10394, 57167, 114334, 930263, 1860526, 10232893, 20465786]

約数ペア:

[(1, 20465786), (2, 10232893), (11, 1860526), (22, 930263), (179, 114334), (358, 57167), (1969, 10394), (3938, 5197)]