20388204809

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{545533}}^1$

素因数の和:545840

約数の個数: 16

約数和(自身を含む): 24614494080

約数和(自身を除く): 4226289271

約数列:

[1, 7, 19, 133, 281, 1967, 5339, 37373, 545533, 3818731, 10365127, 72555889, 153294773, 1073063411, 2912600687, 20388204809]

約数ペア:

[(1, 20388204809), (7, 2912600687), (19, 1073063411), (133, 153294773), (281, 72555889), (1967, 10365127), (5339, 3818731), (37373, 545533)]