20178390851

素因数分解:

${\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{701}}^1\times {\mathrm{1831}}^1$

素因数の和:2810

約数の個数: 16

約数和(自身を含む): 20577024000

約数和(自身を除く): 398633149

約数列:

[1, 79, 199, 701, 1831, 15721, 55379, 139499, 144649, 364369, 1283531, 11020421, 28785151, 101398949, 255422669, 20178390851]

約数ペア:

[(1, 20178390851), (79, 255422669), (199, 101398949), (701, 28785151), (1831, 11020421), (15721, 1283531), (55379, 364369), (139499, 144649)]