20819097

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1663}}^1$

素因数の和:1789

約数の個数: 24

約数和(自身を含む): 32707584

約数和(自身を除く): 11888487

約数列:

[1, 3, 9, 13, 39, 107, 117, 321, 963, 1391, 1663, 4173, 4989, 12519, 14967, 21619, 64857, 177941, 194571, 533823, 1601469, 2313233, 6939699, 20819097]

約数ペア:

[(1, 20819097), (3, 6939699), (9, 2313233), (13, 1601469), (39, 533823), (107, 194571), (117, 177941), (321, 64857), (963, 21619), (1391, 14967), (1663, 12519), (4173, 4989)]