20027745

素因数分解:

$3^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{719}}^1$

素因数の和:1349

約数の個数: 24

約数和(自身を含む): 34819200

約数和(自身を除く): 14791455

約数列:

[1, 3, 5, 9, 15, 45, 619, 719, 1857, 2157, 3095, 3595, 5571, 6471, 9285, 10785, 27855, 32355, 445061, 1335183, 2225305, 4005549, 6675915, 20027745]

約数ペア:

[(1, 20027745), (3, 6675915), (5, 4005549), (9, 2225305), (15, 1335183), (45, 445061), (619, 32355), (719, 27855), (1857, 10785), (2157, 9285), (3095, 6471), (3595, 5571)]