20512278436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{4066669}}^1$

素因数の和:4066783

約数の個数: 24

約数和(自身を含む): 39056298680

約数和(自身を除く): 18544020244

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 5044, 4066669, 8133338, 16266676, 52866697, 105733394, 211466788, 394466893, 788933786, 1577867572, 5128069609, 10256139218, 20512278436]

約数ペア:

[(1, 20512278436), (2, 10256139218), (4, 5128069609), (13, 1577867572), (26, 788933786), (52, 394466893), (97, 211466788), (194, 105733394), (388, 52866697), (1261, 16266676), (2522, 8133338), (5044, 4066669)]