20668348

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{359}}^1\times {\mathrm{389}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 37346400

約数和(自身を除く): 16678052

約数列:

[1, 2, 4, 37, 74, 148, 359, 389, 718, 778, 1436, 1556, 13283, 14393, 26566, 28786, 53132, 57572, 139651, 279302, 558604, 5167087, 10334174, 20668348]

約数ペア:

[(1, 20668348), (2, 10334174), (4, 5167087), (37, 558604), (74, 279302), (148, 139651), (359, 57572), (389, 53132), (718, 28786), (778, 26566), (1436, 14393), (1556, 13283)]