20358828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{80789}}^1$

素因数の和:80806

約数の個数: 36

約数和(自身を含む): 58815120

約数和(自身を除く): 38456292

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 80789, 161578, 242367, 323156, 484734, 565523, 727101, 969468, 1131046, 1454202, 1696569, 2262092, 2908404, 3393138, 5089707, 6786276, 10179414, 20358828]

約数ペア:

[(1, 20358828), (2, 10179414), (3, 6786276), (4, 5089707), (6, 3393138), (7, 2908404), (9, 2262092), (12, 1696569), (14, 1454202), (18, 1131046), (21, 969468), (28, 727101), (36, 565523), (42, 484734), (63, 323156), (84, 242367), (126, 161578), (252, 80789)]