20479616638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{2803123}}^1$

素因数の和:2803419

約数の個数: 16

約数和(自身を含む): 33200200656

約数和(自身を除く): 12720584018

約数列:

[1, 2, 13, 26, 281, 562, 3653, 7306, 2803123, 5606246, 36440599, 72881198, 787677563, 1575355126, 10239808319, 20479616638]

約数ペア:

[(1, 20479616638), (2, 10239808319), (13, 1575355126), (26, 787677563), (281, 72881198), (562, 36440599), (3653, 5606246), (7306, 2803123)]