20178591846

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{887}}^1\times {\mathrm{3323}}^1$

素因数の和:4385

約数の個数: 64

約数和(自身を含む): 46471753728

約数和(自身を除く): 26293161882

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 163, 326, 489, 887, 978, 1141, 1774, 2282, 2661, 3323, 3423, 5322, 6209, 6646, 6846, 9969, 12418, 18627, 19938, 23261, 37254, 46522, 69783, 139566, 144581, 289162, 433743, 541649, 867486, 1012067, 1083298, 1624947, 2024134, 2947501, 3036201, 3249894, 3791543, 5895002, 6072402, 7583086, 8842503, 11374629, 17685006, 20632507, 22749258, 41265014, 61897521, 123795042, 480442663, 960885326, 1441327989, 2882655978, 3363098641, 6726197282, 10089295923, 20178591846]

約数ペア:

[(1, 20178591846), (2, 10089295923), (3, 6726197282), (6, 3363098641), (7, 2882655978), (14, 1441327989), (21, 960885326), (42, 480442663), (163, 123795042), (326, 61897521), (489, 41265014), (887, 22749258), (978, 20632507), (1141, 17685006), (1774, 11374629), (2282, 8842503), (2661, 7583086), (3323, 6072402), (3423, 5895002), (5322, 3791543), (6209, 3249894), (6646, 3036201), (6846, 2947501), (9969, 2024134), (12418, 1624947), (18627, 1083298), (19938, 1012067), (23261, 867486), (37254, 541649), (46522, 433743), (69783, 289162), (139566, 144581)]