20123018185

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{432149}}^1$

素因数の和:432360

約数の個数: 16

約数和(自身を含む): 24684408000

約数和(自身を除く): 4561389815

約数列:

[1, 5, 67, 139, 335, 695, 9313, 46565, 432149, 2160745, 28953983, 60068711, 144769915, 300343555, 4024603637, 20123018185]

約数ペア:

[(1, 20123018185), (5, 4024603637), (67, 300343555), (139, 144769915), (335, 60068711), (695, 28953983), (9313, 2160745), (46565, 432149)]