201368420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{915311}}^1$

素因数の和:915331

約数の個数: 24

約数和(自身を含む): 461317248

約数和(自身を除く): 259948828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 915311, 1830622, 3661244, 4576555, 9153110, 10068421, 18306220, 20136842, 40273684, 50342105, 100684210, 201368420]

約数ペア:

[(1, 201368420), (2, 100684210), (4, 50342105), (5, 40273684), (10, 20136842), (11, 18306220), (20, 10068421), (22, 9153110), (44, 4576555), (55, 3661244), (110, 1830622), (220, 915311)]