20451519

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{613}}^1$

素因数の和:967

約数の個数: 24

約数和(自身を含む): 32374992

約数和(自身を除く): 11923473

約数列:

[1, 3, 9, 11, 33, 99, 337, 613, 1011, 1839, 3033, 3707, 5517, 6743, 11121, 20229, 33363, 60687, 206581, 619743, 1859229, 2272391, 6817173, 20451519]

約数ペア:

[(1, 20451519), (3, 6817173), (9, 2272391), (11, 1859229), (33, 619743), (99, 206581), (337, 60687), (613, 33363), (1011, 20229), (1839, 11121), (3033, 6743), (3707, 5517)]