20293273

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 29196160

約数和(自身を除く): 8902887

約数列:

[1, 7, 11, 13, 19, 77, 91, 97, 121, 133, 143, 209, 247, 679, 847, 1001, 1067, 1261, 1463, 1573, 1729, 1843, 2299, 2717, 7469, 8827, 11011, 11737, 12901, 13871, 16093, 19019, 20273, 23959, 29887, 82159, 97097, 141911, 152581, 167713, 209209, 223003, 263549, 1068067, 1561021, 1844843, 2899039, 20293273]

約数ペア:

[(1, 20293273), (7, 2899039), (11, 1844843), (13, 1561021), (19, 1068067), (77, 263549), (91, 223003), (97, 209209), (121, 167713), (133, 152581), (143, 141911), (209, 97097), (247, 82159), (679, 29887), (847, 23959), (1001, 20273), (1067, 19019), (1261, 16093), (1463, 13871), (1573, 12901), (1729, 11737), (1843, 11011), (2299, 8827), (2717, 7469)]