20574040

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{6197}}^1$

素因数の和:6291

約数の個数: 32

約数和(自身を含む): 46856880

約数和(自身を除く): 26282840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 6197, 12394, 24788, 30985, 49576, 61970, 123940, 247880, 514351, 1028702, 2057404, 2571755, 4114808, 5143510, 10287020, 20574040]

約数ペア:

[(1, 20574040), (2, 10287020), (4, 5143510), (5, 4114808), (8, 2571755), (10, 2057404), (20, 1028702), (40, 514351), (83, 247880), (166, 123940), (332, 61970), (415, 49576), (664, 30985), (830, 24788), (1660, 12394), (3320, 6197)]