20515898

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{2521}}^1$

素因数の和:2849

約数の個数: 16

約数和(自身を含む): 33260136

約数和(自身を除く): 12744238

約数列:

[1, 2, 13, 26, 313, 626, 2521, 4069, 5042, 8138, 32773, 65546, 789073, 1578146, 10257949, 20515898]

約数ペア:

[(1, 20515898), (2, 10257949), (13, 1578146), (26, 789073), (313, 65546), (626, 32773), (2521, 8138), (4069, 5042)]