20458743

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{1237}}^1$

素因数の和:1426

約数の個数: 16

約数和(自身を含む): 28226400

約数和(自身を除く): 7767657

約数列:

[1, 3, 37, 111, 149, 447, 1237, 3711, 5513, 16539, 45769, 137307, 184313, 552939, 6819581, 20458743]

約数ペア:

[(1, 20458743), (3, 6819581), (37, 552939), (111, 184313), (149, 137307), (447, 45769), (1237, 16539), (3711, 5513)]