20317869

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15787}}^1$

素因数の和:15817

約数の個数: 24

約数和(自身を含む): 34480992

約数和(自身を除く): 14163123

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 15787, 47361, 142083, 173657, 205231, 520971, 615693, 1562913, 1847079, 2257541, 6772623, 20317869]

約数ペア:

[(1, 20317869), (3, 6772623), (9, 2257541), (11, 1847079), (13, 1562913), (33, 615693), (39, 520971), (99, 205231), (117, 173657), (143, 142083), (429, 47361), (1287, 15787)]