20921844676

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{71650153}}^1$

素因数の和:71650230

約数の個数: 12

約数和(自身を含む): 37114779772

約数和(自身を除く): 16192935096

約数列:

[1, 2, 4, 73, 146, 292, 71650153, 143300306, 286600612, 5230461169, 10460922338, 20921844676]

約数ペア:

[(1, 20921844676), (2, 10460922338), (4, 5230461169), (73, 286600612), (146, 143300306), (292, 71650153)]