20512990382

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{115241519}}^1$

素因数の和:115241610

約数の個数: 8

約数和(自身を含む): 31115210400

約数和(自身を除く): 10602220018

約数列:

[1, 2, 89, 178, 115241519, 230483038, 10256495191, 20512990382]

約数ペア:

[(1, 20512990382), (2, 10256495191), (89, 230483038), (178, 115241519)]