2020114864

素因数分解:

$2^4\times {\mathrm{1009}}^1\times {\mathrm{125131}}^1$

素因数の和:126148

約数の個数: 20

約数和(自身を含む): 3917882920

約数和(自身を除く): 1897768056

約数列:

[1, 2, 4, 8, 16, 1009, 2018, 4036, 8072, 16144, 125131, 250262, 500524, 1001048, 2002096, 126257179, 252514358, 505028716, 1010057432, 2020114864]

約数ペア:

[(1, 2020114864), (2, 1010057432), (4, 505028716), (8, 252514358), (16, 126257179), (1009, 2002096), (2018, 1001048), (4036, 500524), (8072, 250262), (16144, 125131)]