20802726

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1543}}^1$

素因数の和:1665

約数の個数: 48

約数和(自身を含む): 52026624

約数和(自身を除く): 31223898

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 107, 126, 214, 321, 642, 749, 963, 1498, 1543, 1926, 2247, 3086, 4494, 4629, 6741, 9258, 10801, 13482, 13887, 21602, 27774, 32403, 64806, 97209, 165101, 194418, 330202, 495303, 990606, 1155707, 1485909, 2311414, 2971818, 3467121, 6934242, 10401363, 20802726]

約数ペア:

[(1, 20802726), (2, 10401363), (3, 6934242), (6, 3467121), (7, 2971818), (9, 2311414), (14, 1485909), (18, 1155707), (21, 990606), (42, 495303), (63, 330202), (107, 194418), (126, 165101), (214, 97209), (321, 64806), (642, 32403), (749, 27774), (963, 21602), (1498, 13887), (1543, 13482), (1926, 10801), (2247, 9258), (3086, 6741), (4494, 4629)]