20123289726

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{77997247}}^1$

素因数の和:77997295

約数の個数: 16

約数和(自身を含む): 41182546944

約数和(自身を除く): 21059257218

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 77997247, 155994494, 233991741, 467983482, 3353881621, 6707763242, 10061644863, 20123289726]

約数ペア:

[(1, 20123289726), (2, 10061644863), (3, 6707763242), (6, 3353881621), (43, 467983482), (86, 233991741), (129, 155994494), (258, 77997247)]