20396636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12653}}^1$

素因数の和:12701

約数の個数: 24

約数和(自身を含む): 39682944

約数和(自身を除く): 19286308

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 12653, 25306, 50612, 164489, 328978, 392243, 657956, 784486, 1568972, 5099159, 10198318, 20396636]

約数ペア:

[(1, 20396636), (2, 10198318), (4, 5099159), (13, 1568972), (26, 784486), (31, 657956), (52, 392243), (62, 328978), (124, 164489), (403, 50612), (806, 25306), (1612, 12653)]