20667710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{42179}}^1$

素因数の和:42200

約数の個数: 24

約数和(自身を含む): 43276680

約数和(自身を除く): 22608970

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 42179, 84358, 210895, 295253, 421790, 590506, 1476265, 2066771, 2952530, 4133542, 10333855, 20667710]

約数ペア:

[(1, 20667710), (2, 10333855), (5, 4133542), (7, 2952530), (10, 2066771), (14, 1476265), (35, 590506), (49, 421790), (70, 295253), (98, 210895), (245, 84358), (490, 42179)]