20512284

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131489}}^1$

素因数の和:131509

約数の個数: 24

約数和(自身を含む): 51544080

約数和(自身を除く): 31031796

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 131489, 262978, 394467, 525956, 788934, 1577868, 1709357, 3418714, 5128071, 6837428, 10256142, 20512284]

約数ペア:

[(1, 20512284), (2, 10256142), (3, 6837428), (4, 5128071), (6, 3418714), (12, 1709357), (13, 1577868), (26, 788934), (39, 525956), (52, 394467), (78, 262978), (156, 131489)]