20711786

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{14731}}^1$

素因数の和:14789

約数の個数: 16

約数和(自身を含む): 33588960

約数和(自身を除く): 12877174

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 14731, 29462, 279889, 545047, 559778, 1090094, 10355893, 20711786]

約数ペア:

[(1, 20711786), (2, 10355893), (19, 1090094), (37, 559778), (38, 545047), (74, 279889), (703, 29462), (1406, 14731)]