20495418

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{64451}}^1$

素因数の和:64509

約数の個数: 16

約数和(自身を含む): 41764896

約数和(自身を除く): 21269478

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 64451, 128902, 193353, 386706, 3415903, 6831806, 10247709, 20495418]

約数ペア:

[(1, 20495418), (2, 10247709), (3, 6831806), (6, 3415903), (53, 386706), (106, 193353), (159, 128902), (318, 64451)]