20018004

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 52496640

約数和(自身を除く): 32478636

約数列:

[1, 2, 3, 4, 6, 12, 23, 29, 41, 46, 58, 61, 69, 82, 87, 92, 116, 122, 123, 138, 164, 174, 183, 244, 246, 276, 348, 366, 492, 667, 732, 943, 1189, 1334, 1403, 1769, 1886, 2001, 2378, 2501, 2668, 2806, 2829, 3538, 3567, 3772, 4002, 4209, 4756, 5002, 5307, 5612, 5658, 7076, 7134, 7503, 8004, 8418, 10004, 10614, 11316, 14268, 15006, 16836, 21228, 27347, 30012, 40687, 54694, 57523, 72529, 81374, 82041, 109388, 115046, 122061, 145058, 162748, 164082, 172569, 217587, 230092, 244122, 290116, 328164, 345138, 435174, 488244, 690276, 870348, 1668167, 3336334, 5004501, 6672668, 10009002, 20018004]

約数ペア:

[(1, 20018004), (2, 10009002), (3, 6672668), (4, 5004501), (6, 3336334), (12, 1668167), (23, 870348), (29, 690276), (41, 488244), (46, 435174), (58, 345138), (61, 328164), (69, 290116), (82, 244122), (87, 230092), (92, 217587), (116, 172569), (122, 164082), (123, 162748), (138, 145058), (164, 122061), (174, 115046), (183, 109388), (244, 82041), (246, 81374), (276, 72529), (348, 57523), (366, 54694), (492, 40687), (667, 30012), (732, 27347), (943, 21228), (1189, 16836), (1334, 15006), (1403, 14268), (1769, 11316), (1886, 10614), (2001, 10004), (2378, 8418), (2501, 8004), (2668, 7503), (2806, 7134), (2829, 7076), (3538, 5658), (3567, 5612), (3772, 5307), (4002, 5002), (4209, 4756)]