20409558

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4937}}^1$

素因数の和:5008

約数の個数: 32

約数和(自身を含む): 44797536

約数和(自身を除く): 24387978

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 689, 1378, 2067, 4134, 4937, 9874, 14811, 29622, 64181, 128362, 192543, 261661, 385086, 523322, 784983, 1569966, 3401593, 6803186, 10204779, 20409558]

約数ペア:

[(1, 20409558), (2, 10204779), (3, 6803186), (6, 3401593), (13, 1569966), (26, 784983), (39, 523322), (53, 385086), (78, 261661), (106, 192543), (159, 128362), (318, 64181), (689, 29622), (1378, 14811), (2067, 9874), (4134, 4937)]