20177042733

素因数分解:

$3^4\times {\mathrm{613}}^1\times {\mathrm{406361}}^1$

素因数の和:406986

約数の個数: 20

約数和(自身を含む): 30190258428

約数和(自身を除く): 10013215695

約数列:

[1, 3, 9, 27, 81, 613, 1839, 5517, 16551, 49653, 406361, 1219083, 3657249, 10971747, 32915241, 249099293, 747297879, 2241893637, 6725680911, 20177042733]

約数ペア:

[(1, 20177042733), (3, 6725680911), (9, 2241893637), (27, 747297879), (81, 249099293), (613, 32915241), (1839, 10971747), (5517, 3657249), (16551, 1219083), (49653, 406361)]