20274380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144817}}^1$

素因数の和:144833

約数の個数: 24

約数和(自身を含む): 48658848

約数和(自身を除く): 28384468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144817, 289634, 579268, 724085, 1013719, 1448170, 2027438, 2896340, 4054876, 5068595, 10137190, 20274380]

約数ペア:

[(1, 20274380), (2, 10137190), (4, 5068595), (5, 4054876), (7, 2896340), (10, 2027438), (14, 1448170), (20, 1013719), (28, 724085), (35, 579268), (70, 289634), (140, 144817)]