20186544987

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{228383}}^1$

素因数の和:228480

約数の個数: 48

約数和(自身を含む): 35342880768

約数和(自身を除く): 15156335781

約数列:

[1, 3, 7, 9, 21, 23, 61, 63, 69, 161, 183, 207, 427, 483, 549, 1281, 1403, 1449, 3843, 4209, 9821, 12627, 29463, 88389, 228383, 685149, 1598681, 2055447, 4796043, 5252809, 13931363, 14388129, 15758427, 36769663, 41794089, 47275281, 97519541, 110308989, 125382267, 292558623, 320421349, 330926967, 877675869, 961264047, 2242949443, 2883792141, 6728848329, 20186544987]

約数ペア:

[(1, 20186544987), (3, 6728848329), (7, 2883792141), (9, 2242949443), (21, 961264047), (23, 877675869), (61, 330926967), (63, 320421349), (69, 292558623), (161, 125382267), (183, 110308989), (207, 97519541), (427, 47275281), (483, 41794089), (549, 36769663), (1281, 15758427), (1403, 14388129), (1449, 13931363), (3843, 5252809), (4209, 4796043), (9821, 2055447), (12627, 1598681), (29463, 685149), (88389, 228383)]