20676909

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{4783}}^1$

素因数の和:4928

約数の個数: 16

約数和(自身を含む): 30311424

約数和(自身を除く): 9634515

約数列:

[1, 3, 11, 33, 131, 393, 1441, 4323, 4783, 14349, 52613, 157839, 626573, 1879719, 6892303, 20676909]

約数ペア:

[(1, 20676909), (3, 6892303), (11, 1879719), (33, 626573), (131, 157839), (393, 52613), (1441, 14349), (4323, 4783)]