27493420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{80863}}^1$

素因数の和:80889

約数の個数: 24

約数和(自身を含む): 61133184

約数和(自身を除く): 33639764

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 80863, 161726, 323452, 404315, 808630, 1374671, 1617260, 2749342, 5498684, 6873355, 13746710, 27493420]

約数ペア:

[(1, 27493420), (2, 13746710), (4, 6873355), (5, 5498684), (10, 2749342), (17, 1617260), (20, 1374671), (34, 808630), (68, 404315), (85, 323452), (170, 161726), (340, 80863)]