20560826

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 39070080

約数和(自身を除く): 18509254

約数列:

[1, 2, 11, 13, 22, 26, 29, 37, 58, 67, 74, 134, 143, 286, 319, 377, 407, 481, 638, 737, 754, 814, 871, 962, 1073, 1474, 1742, 1943, 2146, 2479, 3886, 4147, 4958, 5291, 8294, 9581, 10582, 11803, 13949, 19162, 21373, 23606, 25259, 27269, 27898, 32227, 42746, 50518, 54538, 64454, 71891, 143782, 153439, 277849, 306878, 354497, 555698, 708994, 790801, 934583, 1581602, 1869166, 10280413, 20560826]

約数ペア:

[(1, 20560826), (2, 10280413), (11, 1869166), (13, 1581602), (22, 934583), (26, 790801), (29, 708994), (37, 555698), (58, 354497), (67, 306878), (74, 277849), (134, 153439), (143, 143782), (286, 71891), (319, 64454), (377, 54538), (407, 50518), (481, 42746), (638, 32227), (737, 27898), (754, 27269), (814, 25259), (871, 23606), (962, 21373), (1073, 19162), (1474, 13949), (1742, 11803), (1943, 10582), (2146, 9581), (2479, 8294), (3886, 5291), (4147, 4958)]