20510622

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1459}}^1$

素因数の和:1549

約数の個数: 48

約数和(自身を含む): 49196160

約数和(自身を除く): 28685538

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 71, 99, 142, 198, 213, 426, 639, 781, 1278, 1459, 1562, 2343, 2918, 4377, 4686, 7029, 8754, 13131, 14058, 16049, 26262, 32098, 48147, 96294, 103589, 144441, 207178, 288882, 310767, 621534, 932301, 1139479, 1864602, 2278958, 3418437, 6836874, 10255311, 20510622]

約数ペア:

[(1, 20510622), (2, 10255311), (3, 6836874), (6, 3418437), (9, 2278958), (11, 1864602), (18, 1139479), (22, 932301), (33, 621534), (66, 310767), (71, 288882), (99, 207178), (142, 144441), (198, 103589), (213, 96294), (426, 48147), (639, 32098), (781, 26262), (1278, 16049), (1459, 14058), (1562, 13131), (2343, 8754), (2918, 7029), (4377, 4686)]