20550670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1697}}^1$

素因数の和:1884

約数の個数: 32

約数和(自身を含む): 42545088

約数和(自身を除く): 21994418

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 173, 346, 865, 1211, 1697, 1730, 2422, 3394, 6055, 8485, 11879, 12110, 16970, 23758, 59395, 118790, 293581, 587162, 1467905, 2055067, 2935810, 4110134, 10275335, 20550670]

約数ペア:

[(1, 20550670), (2, 10275335), (5, 4110134), (7, 2935810), (10, 2055067), (14, 1467905), (35, 587162), (70, 293581), (173, 118790), (346, 59395), (865, 23758), (1211, 16970), (1697, 12110), (1730, 11879), (2422, 8485), (3394, 6055)]