16871660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64891}}^1$

素因数の和:64913

約数の個数: 24

約数和(自身を含む): 38156496

約数和(自身を除く): 21284836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 64891, 129782, 259564, 324455, 648910, 843583, 1297820, 1687166, 3374332, 4217915, 8435830, 16871660]

約数ペア:

[(1, 16871660), (2, 8435830), (4, 4217915), (5, 3374332), (10, 1687166), (13, 1297820), (20, 843583), (26, 648910), (52, 324455), (65, 259564), (130, 129782), (260, 64891)]