20681916

素因数分解:

$2^2\times 3^1\times {\mathrm{487}}^1\times {\mathrm{3539}}^1$

素因数の和:4033

約数の個数: 24

約数和(自身を含む): 48370560

約数和(自身を除く): 27688644

約数列:

[1, 2, 3, 4, 6, 12, 487, 974, 1461, 1948, 2922, 3539, 5844, 7078, 10617, 14156, 21234, 42468, 1723493, 3446986, 5170479, 6893972, 10340958, 20681916]

約数ペア:

[(1, 20681916), (2, 10340958), (3, 6893972), (4, 5170479), (6, 3446986), (12, 1723493), (487, 42468), (974, 21234), (1461, 14156), (1948, 10617), (2922, 7078), (3539, 5844)]