20949191998

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{13728173}}^1$

素因数の和:13728291

約数の個数: 16

約数和(自身を含む): 36242379360

約数和(自身を除く): 15293187362

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 13728173, 27456346, 96097211, 192194422, 1496370857, 2992741714, 10474595999, 20949191998]

約数ペア:

[(1, 20949191998), (2, 10474595999), (7, 2992741714), (14, 1496370857), (109, 192194422), (218, 96097211), (763, 27456346), (1526, 13728173)]