20179919824

素因数分解:

$2^4\times {\mathrm{1261244989}}^1$

素因数の和:1261244997

約数の個数: 10

約数和(自身を含む): 39098594690

約数和(自身を除く): 18918674866

約数列:

[1, 2, 4, 8, 16, 1261244989, 2522489978, 5044979956, 10089959912, 20179919824]

約数ペア:

[(1, 20179919824), (2, 10089959912), (4, 5044979956), (8, 2522489978), (16, 1261244989)]