20786678461

素因数分解:

${\mathrm{43}}^1\times {\mathrm{107}}^2\times {\mathrm{42223}}^1$

素因数の和:42480

約数の個数: 12

約数和(自身を含む): 21471241792

約数和(自身を除く): 684563331

約数列:

[1, 43, 107, 4601, 11449, 42223, 492307, 1815589, 4517861, 194268023, 483411127, 20786678461]

約数ペア:

[(1, 20786678461), (43, 483411127), (107, 194268023), (4601, 4517861), (11449, 1815589), (42223, 492307)]