20165354860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144038249}}^1$

素因数の和:144038265

約数の個数: 24

約数和(自身を含む): 48396852000

約数和(自身を除く): 28231497140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144038249, 288076498, 576152996, 720191245, 1008267743, 1440382490, 2016535486, 2880764980, 4033070972, 5041338715, 10082677430, 20165354860]

約数ペア:

[(1, 20165354860), (2, 10082677430), (4, 5041338715), (5, 4033070972), (7, 2880764980), (10, 2016535486), (14, 1440382490), (20, 1008267743), (28, 720191245), (35, 576152996), (70, 288076498), (140, 144038249)]