20166465040

素因数分解:

$2^4\times 5^1\times {\mathrm{463}}^1\times {\mathrm{544451}}^1$

素因数の和:544927

約数の個数: 40

約数和(自身を含む): 46988385408

約数和(自身を除く): 26821920368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 463, 926, 1852, 2315, 3704, 4630, 7408, 9260, 18520, 37040, 544451, 1088902, 2177804, 2722255, 4355608, 5444510, 8711216, 10889020, 21778040, 43556080, 252080813, 504161626, 1008323252, 1260404065, 2016646504, 2520808130, 4033293008, 5041616260, 10083232520, 20166465040]

約数ペア:

[(1, 20166465040), (2, 10083232520), (4, 5041616260), (5, 4033293008), (8, 2520808130), (10, 2016646504), (16, 1260404065), (20, 1008323252), (40, 504161626), (80, 252080813), (463, 43556080), (926, 21778040), (1852, 10889020), (2315, 8711216), (3704, 5444510), (4630, 4355608), (7408, 2722255), (9260, 2177804), (18520, 1088902), (37040, 544451)]