20052711

素因数分解:

$3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{659}}^1$

素因数の和:705

約数の個数: 48

約数和(自身を含む): 36115200

約数和(自身を除く): 16062489

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 147, 161, 189, 207, 441, 483, 621, 659, 1127, 1323, 1449, 1977, 3381, 4347, 4613, 5931, 10143, 13839, 15157, 17793, 30429, 32291, 41517, 45471, 96873, 106099, 124551, 136413, 290619, 318297, 409239, 742693, 871857, 954891, 2228079, 2864673, 6684237, 20052711]

約数ペア:

[(1, 20052711), (3, 6684237), (7, 2864673), (9, 2228079), (21, 954891), (23, 871857), (27, 742693), (49, 409239), (63, 318297), (69, 290619), (147, 136413), (161, 124551), (189, 106099), (207, 96873), (441, 45471), (483, 41517), (621, 32291), (659, 30429), (1127, 17793), (1323, 15157), (1449, 13839), (1977, 10143), (3381, 5931), (4347, 4613)]