20674245

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47527}}^1$

素因数の和:47564

約数の個数: 16

約数和(自身を含む): 34220160

約数和(自身を除く): 13545915

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 47527, 142581, 237635, 712905, 1378283, 4134849, 6891415, 20674245]

約数ペア:

[(1, 20674245), (3, 6891415), (5, 4134849), (15, 1378283), (29, 712905), (87, 237635), (145, 142581), (435, 47527)]