20105865

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34369}}^1$

素因数の和:34393

約数の個数: 24

約数和(自身を含む): 37532040

約数和(自身を除く): 17426175

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 34369, 103107, 171845, 309321, 446797, 515535, 1340391, 1546605, 2233985, 4021173, 6701955, 20105865]

約数ペア:

[(1, 20105865), (3, 6701955), (5, 4021173), (9, 2233985), (13, 1546605), (15, 1340391), (39, 515535), (45, 446797), (65, 309321), (117, 171845), (195, 103107), (585, 34369)]