20723570

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{42293}}^1$

素因数の和:42314

約数の個数: 24

約数和(自身を含む): 43393644

約数和(自身を除く): 22670074

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 42293, 84586, 211465, 296051, 422930, 592102, 1480255, 2072357, 2960510, 4144714, 10361785, 20723570]

約数ペア:

[(1, 20723570), (2, 10361785), (5, 4144714), (7, 2960510), (10, 2072357), (14, 1480255), (35, 592102), (49, 422930), (70, 296051), (98, 211465), (245, 84586), (490, 42293)]