20702925373

素因数分解:

${\mathrm{13}}^2\times {\mathrm{307}}^1\times {\mathrm{399031}}^1$

素因数の和:399364

約数の個数: 12

約数和(自身を含む): 22491039648

約数和(自身を除く): 1788114275

約数列:

[1, 13, 169, 307, 3991, 51883, 399031, 5187403, 67436239, 122502517, 1592532721, 20702925373]

約数ペア:

[(1, 20702925373), (13, 1592532721), (169, 122502517), (307, 67436239), (3991, 5187403), (51883, 399031)]