20791029

素因数分解:

$3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{5531}}^1$

素因数の和:5720

約数の個数: 16

約数和(自身を含む): 31864320

約数和(自身を除く): 11073291

約数列:

[1, 3, 7, 21, 179, 537, 1253, 3759, 5531, 16593, 38717, 116151, 990049, 2970147, 6930343, 20791029]

約数ペア:

[(1, 20791029), (3, 6930343), (7, 2970147), (21, 990049), (179, 116151), (537, 38717), (1253, 16593), (3759, 5531)]