20399423

素因数分解:

${\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 22913280

約数和(自身を除く): 2513857

約数列:

[1, 11, 67, 89, 311, 737, 979, 3421, 5963, 20837, 27679, 65593, 229207, 304469, 1854493, 20399423]

約数ペア:

[(1, 20399423), (11, 1854493), (67, 304469), (89, 229207), (311, 65593), (737, 27679), (979, 20837), (3421, 5963)]