20789982

素因数分解:

$2^1\times 3^2\times {\mathrm{151}}^1\times {\mathrm{7649}}^1$

素因数の和:7808

約数の個数: 24

約数和(自身を含む): 45349200

約数和(自身を除く): 24559218

約数列:

[1, 2, 3, 6, 9, 18, 151, 302, 453, 906, 1359, 2718, 7649, 15298, 22947, 45894, 68841, 137682, 1154999, 2309998, 3464997, 6929994, 10394991, 20789982]

約数ペア:

[(1, 20789982), (2, 10394991), (3, 6929994), (6, 3464997), (9, 2309998), (18, 1154999), (151, 137682), (302, 68841), (453, 45894), (906, 22947), (1359, 15298), (2718, 7649)]