20158300

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{4289}}^1$

素因数の和:4350

約数の個数: 36

約数和(自身を含む): 44684640

約数和(自身を除く): 24526340

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 470, 940, 1175, 2350, 4289, 4700, 8578, 17156, 21445, 42890, 85780, 107225, 201583, 214450, 403166, 428900, 806332, 1007915, 2015830, 4031660, 5039575, 10079150, 20158300]

約数ペア:

[(1, 20158300), (2, 10079150), (4, 5039575), (5, 4031660), (10, 2015830), (20, 1007915), (25, 806332), (47, 428900), (50, 403166), (94, 214450), (100, 201583), (188, 107225), (235, 85780), (470, 42890), (940, 21445), (1175, 17156), (2350, 8578), (4289, 4700)]