20805837

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{3533}}^1$

素因数の和:3700

約数の個数: 16

約数和(自身を含む): 30081408

約数和(自身を除く): 9275571

約数列:

[1, 3, 13, 39, 151, 453, 1963, 3533, 5889, 10599, 45929, 137787, 533483, 1600449, 6935279, 20805837]

約数ペア:

[(1, 20805837), (3, 6935279), (13, 1600449), (39, 533483), (151, 137787), (453, 45929), (1963, 10599), (3533, 5889)]