20796355

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 28339200

約数和(自身を除く): 7542845

約数列:

[1, 5, 17, 19, 79, 85, 95, 163, 323, 395, 815, 1343, 1501, 1615, 2771, 3097, 6715, 7505, 12877, 13855, 15485, 25517, 52649, 64385, 127585, 218909, 244663, 263245, 1094545, 1223315, 4159271, 20796355]

約数ペア:

[(1, 20796355), (5, 4159271), (17, 1223315), (19, 1094545), (79, 263245), (85, 244663), (95, 218909), (163, 127585), (323, 64385), (395, 52649), (815, 25517), (1343, 15485), (1501, 13855), (1615, 12877), (2771, 7505), (3097, 6715)]