2018605420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7763867}}^1$

素因数の和:7763889

約数の個数: 24

約数和(自身を含む): 4565154384

約数和(自身を除く): 2546548964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7763867, 15527734, 31055468, 38819335, 77638670, 100930271, 155277340, 201860542, 403721084, 504651355, 1009302710, 2018605420]

約数ペア:

[(1, 2018605420), (2, 1009302710), (4, 504651355), (5, 403721084), (10, 201860542), (13, 155277340), (20, 100930271), (26, 77638670), (52, 38819335), (65, 31055468), (130, 15527734), (260, 7763867)]