20109322450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{991}}^1\times {\mathrm{57977}}^1$

素因数の和:58987

約数の個数: 48

約数和(自身を含む): 42790546944

約数和(自身を除く): 22681224494

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 991, 1982, 4955, 6937, 9910, 13874, 24775, 34685, 49550, 57977, 69370, 115954, 173425, 289885, 346850, 405839, 579770, 811678, 1449425, 2029195, 2898850, 4058390, 10145975, 20291950, 57455207, 114910414, 287276035, 402186449, 574552070, 804372898, 1436380175, 2010932245, 2872760350, 4021864490, 10054661225, 20109322450]

約数ペア:

[(1, 20109322450), (2, 10054661225), (5, 4021864490), (7, 2872760350), (10, 2010932245), (14, 1436380175), (25, 804372898), (35, 574552070), (50, 402186449), (70, 287276035), (175, 114910414), (350, 57455207), (991, 20291950), (1982, 10145975), (4955, 4058390), (6937, 2898850), (9910, 2029195), (13874, 1449425), (24775, 811678), (34685, 579770), (49550, 405839), (57977, 346850), (69370, 289885), (115954, 173425)]