20196965128

素因数分解:

$2^3\times {\mathrm{521}}^1\times {\mathrm{4845721}}^1$

素因数の和:4846248

約数の個数: 16

約数和(自身を含む): 37942003260

約数和(自身を除く): 17745038132

約数列:

[1, 2, 4, 8, 521, 1042, 2084, 4168, 4845721, 9691442, 19382884, 38765768, 2524620641, 5049241282, 10098482564, 20196965128]

約数ペア:

[(1, 20196965128), (2, 10098482564), (4, 5049241282), (8, 2524620641), (521, 38765768), (1042, 19382884), (2084, 9691442), (4168, 4845721)]