20513304

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13567}}^1$

素因数の和:13589

約数の個数: 64

約数和(自身を含む): 65126400

約数和(自身を除く): 44613096

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 13567, 27134, 40701, 54268, 81402, 94969, 108536, 122103, 162804, 189938, 244206, 284907, 325608, 366309, 379876, 488412, 569814, 732618, 759752, 854721, 976824, 1139628, 1465236, 1709442, 2279256, 2564163, 2930472, 3418884, 5128326, 6837768, 10256652, 20513304]

約数ペア:

[(1, 20513304), (2, 10256652), (3, 6837768), (4, 5128326), (6, 3418884), (7, 2930472), (8, 2564163), (9, 2279256), (12, 1709442), (14, 1465236), (18, 1139628), (21, 976824), (24, 854721), (27, 759752), (28, 732618), (36, 569814), (42, 488412), (54, 379876), (56, 366309), (63, 325608), (72, 284907), (84, 244206), (108, 189938), (126, 162804), (168, 122103), (189, 108536), (216, 94969), (252, 81402), (378, 54268), (504, 40701), (756, 27134), (1512, 13567)]