20649828

素因数分解:

$2^2\times 3^1\times {\mathrm{383}}^1\times {\mathrm{4493}}^1$

素因数の和:4883

約数の個数: 24

約数和(自身を含む): 48319488

約数和(自身を除く): 27669660

約数列:

[1, 2, 3, 4, 6, 12, 383, 766, 1149, 1532, 2298, 4493, 4596, 8986, 13479, 17972, 26958, 53916, 1720819, 3441638, 5162457, 6883276, 10324914, 20649828]

約数ペア:

[(1, 20649828), (2, 10324914), (3, 6883276), (4, 5162457), (6, 3441638), (12, 1720819), (383, 53916), (766, 26958), (1149, 17972), (1532, 13479), (2298, 8986), (4493, 4596)]