20249151

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{11047}}^1$

素因数の和:11110

約数の個数: 16

約数和(自身を含む): 29697024

約数和(自身を除く): 9447873

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 11047, 33141, 143611, 430833, 519209, 1557627, 6749717, 20249151]

約数ペア:

[(1, 20249151), (3, 6749717), (13, 1557627), (39, 519209), (47, 430833), (141, 143611), (611, 33141), (1833, 11047)]