20973972

素因数分解:

$2^2\times 3^1\times {\mathrm{571}}^1\times {\mathrm{3061}}^1$

素因数の和:3639

約数の個数: 24

約数和(自身を含む): 49040992

約数和(自身を除く): 28067020

約数列:

[1, 2, 3, 4, 6, 12, 571, 1142, 1713, 2284, 3061, 3426, 6122, 6852, 9183, 12244, 18366, 36732, 1747831, 3495662, 5243493, 6991324, 10486986, 20973972]

約数ペア:

[(1, 20973972), (2, 10486986), (3, 6991324), (4, 5243493), (6, 3495662), (12, 1747831), (571, 36732), (1142, 18366), (1713, 12244), (2284, 9183), (3061, 6852), (3426, 6122)]