16995760

素因数分解:

$2^4\times 5^1\times {\mathrm{212447}}^1$

素因数の和:212460

約数の個数: 20

約数和(自身を含む): 39515328

約数和(自身を除く): 22519568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 212447, 424894, 849788, 1062235, 1699576, 2124470, 3399152, 4248940, 8497880, 16995760]

約数ペア:

[(1, 16995760), (2, 8497880), (4, 4248940), (5, 3399152), (8, 2124470), (10, 1699576), (16, 1062235), (20, 849788), (40, 424894), (80, 212447)]