20980094

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{3061}}^1$

素因数の和:3235

約数の個数: 16

約数和(自身を含む): 33069600

約数和(自身を除く): 12089506

約数列:

[1, 2, 23, 46, 149, 298, 3061, 3427, 6122, 6854, 70403, 140806, 456089, 912178, 10490047, 20980094]

約数ペア:

[(1, 20980094), (2, 10490047), (23, 912178), (46, 456089), (149, 140806), (298, 70403), (3061, 6854), (3427, 6122)]