20789314

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1109}}^1$

素因数の和:1234

約数の個数: 32

約数和(自身を含む): 38787840

約数和(自身を除く): 17998526

約数列:

[1, 2, 7, 13, 14, 26, 91, 103, 182, 206, 721, 1109, 1339, 1442, 2218, 2678, 7763, 9373, 14417, 15526, 18746, 28834, 100919, 114227, 201838, 228454, 799589, 1484951, 1599178, 2969902, 10394657, 20789314]

約数ペア:

[(1, 20789314), (2, 10394657), (7, 2969902), (13, 1599178), (14, 1484951), (26, 799589), (91, 228454), (103, 201838), (182, 114227), (206, 100919), (721, 28834), (1109, 18746), (1339, 15526), (1442, 14417), (2218, 9373), (2678, 7763)]