20196441

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{347}}^1$

素因数の和:605

約数の個数: 24

約数和(自身を含む): 30401280

約数和(自身を除く): 10204839

約数列:

[1, 3, 9, 29, 87, 223, 261, 347, 669, 1041, 2007, 3123, 6467, 10063, 19401, 30189, 58203, 77381, 90567, 232143, 696429, 2244049, 6732147, 20196441]

約数ペア:

[(1, 20196441), (3, 6732147), (9, 2244049), (29, 696429), (87, 232143), (223, 90567), (261, 77381), (347, 58203), (669, 30189), (1041, 19401), (2007, 10063), (3123, 6467)]