20178643376

素因数分解:

$2^4\times {\mathrm{277}}^1\times {\mathrm{4552943}}^1$

素因数の和:4553228

約数の個数: 20

約数和(自身を含む): 39237271392

約数和(自身を除く): 19058628016

約数列:

[1, 2, 4, 8, 16, 277, 554, 1108, 2216, 4432, 4552943, 9105886, 18211772, 36423544, 72847088, 1261165211, 2522330422, 5044660844, 10089321688, 20178643376]

約数ペア:

[(1, 20178643376), (2, 10089321688), (4, 5044660844), (8, 2522330422), (16, 1261165211), (277, 72847088), (554, 36423544), (1108, 18211772), (2216, 9105886), (4432, 4552943)]