20790276

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{133271}}^1$

素因数の和:133291

約数の個数: 24

約数和(自身を含む): 52242624

約数和(自身を除く): 31452348

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 133271, 266542, 399813, 533084, 799626, 1599252, 1732523, 3465046, 5197569, 6930092, 10395138, 20790276]

約数ペア:

[(1, 20790276), (2, 10395138), (3, 6930092), (4, 5197569), (6, 3465046), (12, 1732523), (13, 1599252), (26, 799626), (39, 533084), (52, 399813), (78, 266542), (156, 133271)]