20893686530

素因数分解:

$2^1\times 5^1\times {\mathrm{25411}}^1\times {\mathrm{82223}}^1$

素因数の和:107641

約数の個数: 16

約数和(自身を含む): 37610573184

約数和(自身を除く): 16716886654

約数列:

[1, 2, 5, 10, 25411, 50822, 82223, 127055, 164446, 254110, 411115, 822230, 2089368653, 4178737306, 10446843265, 20893686530]

約数ペア:

[(1, 20893686530), (2, 10446843265), (5, 4178737306), (10, 2089368653), (25411, 822230), (50822, 411115), (82223, 254110), (127055, 164446)]