20390192

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67073}}^1$

素因数の和:67100

約数の個数: 20

約数和(自身を含む): 41585880

約数和(自身を除く): 21195688

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 67073, 134146, 268292, 536584, 1073168, 1274387, 2548774, 5097548, 10195096, 20390192]

約数ペア:

[(1, 20390192), (2, 10195096), (4, 5097548), (8, 2548774), (16, 1274387), (19, 1073168), (38, 536584), (76, 268292), (152, 134146), (304, 67073)]