20237987

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{607}}^1$

素因数の和:1058

約数の個数: 16

約数和(自身を含む): 25331712

約数和(自身を除く): 5093725

約数列:

[1, 7, 11, 77, 433, 607, 3031, 4249, 4763, 6677, 33341, 46739, 262831, 1839817, 2891141, 20237987]

約数ペア:

[(1, 20237987), (7, 2891141), (11, 1839817), (77, 262831), (433, 46739), (607, 33341), (3031, 6677), (4249, 4763)]