20478693

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{12953}}^1$

素因数の和:13004

約数の個数: 16

約数和(自身を含む): 29846016

約数和(自身を除く): 9367323

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 12953, 38859, 220201, 401543, 660603, 1204629, 6826231, 20478693]

約数ペア:

[(1, 20478693), (3, 6826231), (17, 1204629), (31, 660603), (51, 401543), (93, 220201), (527, 38859), (1581, 12953)]