20929309

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:396

約数の個数: 16

約数和(自身を含む): 22588416

約数和(自身を除く): 1659107

約数列:

[1, 31, 37, 71, 257, 1147, 2201, 2627, 7967, 9509, 18247, 81437, 294779, 565657, 675139, 20929309]

約数ペア:

[(1, 20929309), (31, 675139), (37, 565657), (71, 294779), (257, 81437), (1147, 18247), (2201, 9509), (2627, 7967)]