20177160941

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1\times {\mathrm{311}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 25763512320

約数和(自身を除く): 5586351379

約数列:

[1, 7, 19, 23, 127, 133, 161, 167, 311, 437, 889, 1169, 2177, 2413, 2921, 3059, 3173, 3841, 5909, 7153, 16891, 20447, 21209, 22211, 26887, 39497, 41363, 50071, 51937, 55499, 72979, 135907, 148463, 276479, 363559, 388493, 402971, 487807, 510853, 750443, 908431, 951349, 986803, 1194551, 2820797, 3414649, 5253101, 6359017, 6595999, 6907621, 8361857, 9268333, 17260189, 22696469, 46171993, 64878331, 120821323, 125323981, 151707977, 158875283, 877267867, 1061955839, 2882451563, 20177160941]

約数ペア:

[(1, 20177160941), (7, 2882451563), (19, 1061955839), (23, 877267867), (127, 158875283), (133, 151707977), (161, 125323981), (167, 120821323), (311, 64878331), (437, 46171993), (889, 22696469), (1169, 17260189), (2177, 9268333), (2413, 8361857), (2921, 6907621), (3059, 6595999), (3173, 6359017), (3841, 5253101), (5909, 3414649), (7153, 2820797), (16891, 1194551), (20447, 986803), (21209, 951349), (22211, 908431), (26887, 750443), (39497, 510853), (41363, 487807), (50071, 402971), (51937, 388493), (55499, 363559), (72979, 276479), (135907, 148463)]