20636044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{839}}^1$

素因数の和:910

約数の個数: 48

約数和(自身を含む): 43464960

約数和(自身を除く): 22828916

約数列:

[1, 2, 4, 11, 13, 22, 26, 43, 44, 52, 86, 143, 172, 286, 473, 559, 572, 839, 946, 1118, 1678, 1892, 2236, 3356, 6149, 9229, 10907, 12298, 18458, 21814, 24596, 36077, 36916, 43628, 72154, 119977, 144308, 239954, 396847, 469001, 479908, 793694, 938002, 1587388, 1876004, 5159011, 10318022, 20636044]

約数ペア:

[(1, 20636044), (2, 10318022), (4, 5159011), (11, 1876004), (13, 1587388), (22, 938002), (26, 793694), (43, 479908), (44, 469001), (52, 396847), (86, 239954), (143, 144308), (172, 119977), (286, 72154), (473, 43628), (559, 36916), (572, 36077), (839, 24596), (946, 21814), (1118, 18458), (1678, 12298), (1892, 10907), (2236, 9229), (3356, 6149)]