20112099

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 33094656

約数和(自身を除く): 12982557

約数列:

[1, 3, 7, 21, 41, 47, 49, 71, 123, 141, 147, 213, 287, 329, 497, 861, 987, 1491, 1927, 2009, 2303, 2911, 3337, 3479, 5781, 6027, 6909, 8733, 10011, 10437, 13489, 20377, 23359, 40467, 61131, 70077, 94423, 136817, 142639, 163513, 283269, 410451, 427917, 490539, 957719, 2873157, 6704033, 20112099]

約数ペア:

[(1, 20112099), (3, 6704033), (7, 2873157), (21, 957719), (41, 490539), (47, 427917), (49, 410451), (71, 283269), (123, 163513), (141, 142639), (147, 136817), (213, 94423), (287, 70077), (329, 61131), (497, 40467), (861, 23359), (987, 20377), (1491, 13489), (1927, 10437), (2009, 10011), (2303, 8733), (2911, 6909), (3337, 6027), (3479, 5781)]