20286666

素因数分解:

$2^1\times 3^3\times {\mathrm{197}}^1\times {\mathrm{1907}}^1$

素因数の和:2115

約数の個数: 32

約数和(自身を含む): 45334080

約数和(自身を除く): 25047414

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 197, 394, 591, 1182, 1773, 1907, 3546, 3814, 5319, 5721, 10638, 11442, 17163, 34326, 51489, 102978, 375679, 751358, 1127037, 2254074, 3381111, 6762222, 10143333, 20286666]

約数ペア:

[(1, 20286666), (2, 10143333), (3, 6762222), (6, 3381111), (9, 2254074), (18, 1127037), (27, 751358), (54, 375679), (197, 102978), (394, 51489), (591, 34326), (1182, 17163), (1773, 11442), (1907, 10638), (3546, 5721), (3814, 5319)]