220520027

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{12301}}^1$

素因数の和:12518

約数の個数: 16

約数和(自身を含む): 272809152

約数和(自身を除く): 52289125

約数列:

[1, 7, 13, 91, 197, 1379, 2561, 12301, 17927, 86107, 159913, 1119391, 2423297, 16963079, 31502861, 220520027]

約数ペア:

[(1, 220520027), (7, 31502861), (13, 16963079), (91, 2423297), (197, 1119391), (1379, 159913), (2561, 86107), (12301, 17927)]