20105680887

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{9281}}^1\times {\mathrm{14159}}^1$

素因数の和:23463

約数の個数: 24

約数和(自身を含む): 30755350080

約数和(自身を除く): 10649669193

約数列:

[1, 3, 9, 17, 51, 153, 9281, 14159, 27843, 42477, 83529, 127431, 157777, 240703, 473331, 722109, 1419993, 2166327, 131409679, 394229037, 1182687111, 2233964543, 6701893629, 20105680887]

約数ペア:

[(1, 20105680887), (3, 6701893629), (9, 2233964543), (17, 1182687111), (51, 394229037), (153, 131409679), (9281, 2166327), (14159, 1419993), (27843, 722109), (42477, 473331), (83529, 240703), (127431, 157777)]