20008081387

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{709}}^1\times {\mathrm{51031}}^1$

素因数の和:51826

約数の個数: 16

約数和(自身を含む): 23188940800

約数和(自身を除く): 3180859413

約数列:

[1, 7, 79, 553, 709, 4963, 51031, 56011, 357217, 392077, 4031449, 28220143, 36180979, 253266853, 2858297341, 20008081387]

約数ペア:

[(1, 20008081387), (7, 2858297341), (79, 253266853), (553, 36180979), (709, 28220143), (4963, 4031449), (51031, 392077), (56011, 357217)]