20770321

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{431}}^1$

素因数の和:792

約数の個数: 16

約数和(自身を含む): 24530688

約数和(自身を除く): 3760367

約数列:

[1, 11, 13, 143, 337, 431, 3707, 4381, 4741, 5603, 48191, 61633, 145247, 1597717, 1888211, 20770321]

約数ペア:

[(1, 20770321), (11, 1888211), (13, 1597717), (143, 145247), (337, 61633), (431, 48191), (3707, 5603), (4381, 4741)]