20808548728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{236460781}}^1$

素因数の和:236460798

約数の個数: 16

約数和(自身を含む): 42562940760

約数和(自身を除く): 21754392032

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 236460781, 472921562, 945843124, 1891686248, 2601068591, 5202137182, 10404274364, 20808548728]

約数ペア:

[(1, 20808548728), (2, 10404274364), (4, 5202137182), (8, 2601068591), (11, 1891686248), (22, 945843124), (44, 472921562), (88, 236460781)]