20349628

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{30103}}^1$

素因数の和:30133

約数の個数: 18

約数和(自身を含む): 38563224

約数和(自身を除く): 18213596

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 30103, 60206, 120412, 391339, 782678, 1565356, 5087407, 10174814, 20349628]

約数ペア:

[(1, 20349628), (2, 10174814), (4, 5087407), (13, 1565356), (26, 782678), (52, 391339), (169, 120412), (338, 60206), (676, 30103)]