20189901557

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{93041021}}^1$

素因数の和:93041059

約数の個数: 8

約数和(自身を含む): 23818501632

約数和(自身を除く): 3628600075

約数列:

[1, 7, 31, 217, 93041021, 651287147, 2884271651, 20189901557]

約数ペア:

[(1, 20189901557), (7, 2884271651), (31, 651287147), (217, 93041021)]