12438220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{36583}}^1$

素因数の和:36609

約数の個数: 24

約数和(自身を含む): 27657504

約数和(自身を除く): 15219284

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 36583, 73166, 146332, 182915, 365830, 621911, 731660, 1243822, 2487644, 3109555, 6219110, 12438220]

約数ペア:

[(1, 12438220), (2, 6219110), (4, 3109555), (5, 2487644), (10, 1243822), (17, 731660), (20, 621911), (34, 365830), (68, 182915), (85, 146332), (170, 73166), (340, 36583)]