20209360

素因数分解:

$2^4\times 5^1\times {\mathrm{252617}}^1$

素因数の和:252630

約数の個数: 20

約数和(自身を含む): 46986948

約数和(自身を除く): 26777588

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252617, 505234, 1010468, 1263085, 2020936, 2526170, 4041872, 5052340, 10104680, 20209360]

約数ペア:

[(1, 20209360), (2, 10104680), (4, 5052340), (5, 4041872), (8, 2526170), (10, 2020936), (16, 1263085), (20, 1010468), (40, 505234), (80, 252617)]