20730071999

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1\times {\mathrm{19001}}^1$

素因数の和:19671

約数の個数: 32

約数和(自身を含む): 26900751360

約数和(自身を除く): 6170679361

約数列:

[1, 7, 13, 19, 91, 133, 247, 631, 1729, 4417, 8203, 11989, 19001, 57421, 83923, 133007, 155857, 247013, 361019, 1090999, 1729091, 2527133, 4693247, 11989631, 32852729, 83927417, 155865203, 227802989, 1091056421, 1594620923, 2961438857, 20730071999]

約数ペア:

[(1, 20730071999), (7, 2961438857), (13, 1594620923), (19, 1091056421), (91, 227802989), (133, 155865203), (247, 83927417), (631, 32852729), (1729, 11989631), (4417, 4693247), (8203, 2527133), (11989, 1729091), (19001, 1090999), (57421, 361019), (83923, 247013), (133007, 155857)]