20121329284

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10121393}}^1$

素因数の和:10121475

約数の個数: 24

約数和(自身を含む): 40809460608

約数和(自身を除く): 20688131324

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 10121393, 20242786, 40485572, 70849751, 141699502, 283399004, 718618903, 1437237806, 2874475612, 5030332321, 10060664642, 20121329284]

約数ペア:

[(1, 20121329284), (2, 10060664642), (4, 5030332321), (7, 2874475612), (14, 1437237806), (28, 718618903), (71, 283399004), (142, 141699502), (284, 70849751), (497, 40485572), (994, 20242786), (1988, 10121393)]