20796850921

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{3507649}}^1$

素因数の和:3507685

約数の個数: 18

約数和(自身を含む): 26591494650

約数和(自身を除く): 5794643729

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 5929, 3507649, 24553543, 38584139, 171874801, 270088973, 424425529, 1890622811, 2970978703, 20796850921]

約数ペア:

[(1, 20796850921), (7, 2970978703), (11, 1890622811), (49, 424425529), (77, 270088973), (121, 171874801), (539, 38584139), (847, 24553543), (5929, 3507649)]