20097140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143551}}^1$

素因数の和:143567

約数の個数: 24

約数和(自身を含む): 48233472

約数和(自身を除く): 28136332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143551, 287102, 574204, 717755, 1004857, 1435510, 2009714, 2871020, 4019428, 5024285, 10048570, 20097140]

約数ペア:

[(1, 20097140), (2, 10048570), (4, 5024285), (5, 4019428), (7, 2871020), (10, 2009714), (14, 1435510), (20, 1004857), (28, 717755), (35, 574204), (70, 287102), (140, 143551)]