20996957605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{565727}}^1$

素因数の和:566316

約数の個数: 16

約数和(自身を含む): 27182098944

約数和(自身を除く): 6185141339

約数列:

[1, 5, 13, 65, 571, 2855, 7423, 37115, 565727, 2828635, 7354451, 36772255, 323030117, 1615150585, 4199391521, 20996957605]

約数ペア:

[(1, 20996957605), (5, 4199391521), (13, 1615150585), (65, 323030117), (571, 36772255), (2855, 7354451), (7423, 2828635), (37115, 565727)]