20808864

素因数分解:

$2^5\times 3^2\times {\mathrm{72253}}^1$

素因数の和:72269

約数の個数: 36

約数和(自身を含む): 59176026

約数和(自身を除く): 38367162

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 72253, 144506, 216759, 289012, 433518, 578024, 650277, 867036, 1156048, 1300554, 1734072, 2312096, 2601108, 3468144, 5202216, 6936288, 10404432, 20808864]

約数ペア:

[(1, 20808864), (2, 10404432), (3, 6936288), (4, 5202216), (6, 3468144), (8, 2601108), (9, 2312096), (12, 1734072), (16, 1300554), (18, 1156048), (24, 867036), (32, 650277), (36, 578024), (48, 433518), (72, 289012), (96, 216759), (144, 144506), (288, 72253)]