20123742

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{77999}}^1$

素因数の和:78047

約数の個数: 16

約数和(自身を含む): 41184000

約数和(自身を除く): 21060258

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 77999, 155998, 233997, 467994, 3353957, 6707914, 10061871, 20123742]

約数ペア:

[(1, 20123742), (2, 10061871), (3, 6707914), (6, 3353957), (43, 467994), (86, 233997), (129, 155998), (258, 77999)]