20320641

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2473}}^1$

素因数の和:2573

約数の個数: 24

約数和(自身を含む): 32419296

約数和(自身を除く): 12098655

約数列:

[1, 3, 9, 11, 33, 83, 99, 249, 747, 913, 2473, 2739, 7419, 8217, 22257, 27203, 81609, 205259, 244827, 615777, 1847331, 2257849, 6773547, 20320641]

約数ペア:

[(1, 20320641), (3, 6773547), (9, 2257849), (11, 1847331), (33, 615777), (83, 244827), (99, 205259), (249, 81609), (747, 27203), (913, 22257), (2473, 8217), (2739, 7419)]