20657538

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:524

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 30145662

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 83, 99, 166, 198, 249, 297, 419, 498, 594, 747, 838, 913, 1257, 1494, 1826, 2241, 2514, 2739, 3771, 4482, 4609, 5478, 7542, 8217, 9218, 11313, 13827, 16434, 22626, 24651, 27654, 34777, 41481, 49302, 69554, 82962, 104331, 124443, 208662, 248886, 312993, 382547, 625986, 765094, 938979, 1147641, 1877958, 2295282, 3442923, 6885846, 10328769, 20657538]

約数ペア:

[(1, 20657538), (2, 10328769), (3, 6885846), (6, 3442923), (9, 2295282), (11, 1877958), (18, 1147641), (22, 938979), (27, 765094), (33, 625986), (54, 382547), (66, 312993), (83, 248886), (99, 208662), (166, 124443), (198, 104331), (249, 82962), (297, 69554), (419, 49302), (498, 41481), (594, 34777), (747, 27654), (838, 24651), (913, 22626), (1257, 16434), (1494, 13827), (1826, 11313), (2241, 9218), (2514, 8217), (2739, 7542), (3771, 5478), (4482, 4609)]