20239563

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^2$

素因数の和:231

約数の個数: 24

約数和(自身を含む): 29127168

約数和(自身を除く): 8887605

約数列:

[1, 3, 23, 47, 69, 79, 141, 237, 1081, 1817, 3243, 3713, 5451, 6241, 11139, 18723, 85399, 143543, 256197, 293327, 430629, 879981, 6746521, 20239563]

約数ペア:

[(1, 20239563), (3, 6746521), (23, 879981), (47, 430629), (69, 293327), (79, 256197), (141, 143543), (237, 85399), (1081, 18723), (1817, 11139), (3243, 6241), (3713, 5451)]