20648268

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{33739}}^1$

素因数の和:33766

約数の個数: 36

約数和(自身を含む): 55266120

約数和(自身を除く): 34617852

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612, 33739, 67478, 101217, 134956, 202434, 303651, 404868, 573563, 607302, 1147126, 1214604, 1720689, 2294252, 3441378, 5162067, 6882756, 10324134, 20648268]

約数ペア:

[(1, 20648268), (2, 10324134), (3, 6882756), (4, 5162067), (6, 3441378), (9, 2294252), (12, 1720689), (17, 1214604), (18, 1147126), (34, 607302), (36, 573563), (51, 404868), (68, 303651), (102, 202434), (153, 134956), (204, 101217), (306, 67478), (612, 33739)]