20932457

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1933}}^1$

素因数の和:1977

約数の個数: 24

約数和(自身を含む): 27779976

約数和(自身を除く): 6847519

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 637, 833, 1547, 1933, 10829, 13531, 25129, 32861, 94717, 175903, 230027, 427193, 1231321, 1610189, 2990351, 20932457]

約数ペア:

[(1, 20932457), (7, 2990351), (13, 1610189), (17, 1231321), (49, 427193), (91, 230027), (119, 175903), (221, 94717), (637, 32861), (833, 25129), (1547, 13531), (1933, 10829)]