20066517

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1013}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 30371328

約数和(自身を除く): 10304811

約数列:

[1, 3, 9, 31, 71, 93, 213, 279, 639, 1013, 2201, 3039, 6603, 9117, 19809, 31403, 71923, 94209, 215769, 282627, 647307, 2229613, 6688839, 20066517]

約数ペア:

[(1, 20066517), (3, 6688839), (9, 2229613), (31, 647307), (71, 282627), (93, 215769), (213, 94209), (279, 71923), (639, 31403), (1013, 19809), (2201, 9117), (3039, 6603)]