20803579731

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{727}}^1$

素因数の和:1238

約数の個数: 96

約数和(自身を含む): 35786150400

約数和(自身を除く): 14982570669

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 121, 171, 209, 297, 363, 461, 513, 627, 727, 1089, 1383, 1881, 2181, 2299, 3267, 4149, 5071, 5643, 6543, 6897, 7997, 8759, 12447, 13813, 15213, 19629, 20691, 23991, 26277, 41439, 45639, 55781, 62073, 71973, 78831, 87967, 96349, 124317, 136917, 151943, 167343, 215919, 236493, 263901, 289047, 335147, 372951, 455829, 502029, 791703, 867141, 1005441, 1059839, 1367487, 1506087, 1671373, 2375109, 2601423, 3016323, 3179517, 3686617, 4102461, 5014119, 6367793, 9048969, 9538551, 11059851, 15042357, 19103379, 28615653, 33179553, 40552787, 45127071, 57310137, 70045723, 99538659, 121658361, 171930411, 210137169, 364975083, 630411507, 770502953, 1094925249, 1891234521, 2311508859, 6934526577, 20803579731]

約数ペア:

[(1, 20803579731), (3, 6934526577), (9, 2311508859), (11, 1891234521), (19, 1094925249), (27, 770502953), (33, 630411507), (57, 364975083), (99, 210137169), (121, 171930411), (171, 121658361), (209, 99538659), (297, 70045723), (363, 57310137), (461, 45127071), (513, 40552787), (627, 33179553), (727, 28615653), (1089, 19103379), (1383, 15042357), (1881, 11059851), (2181, 9538551), (2299, 9048969), (3267, 6367793), (4149, 5014119), (5071, 4102461), (5643, 3686617), (6543, 3179517), (6897, 3016323), (7997, 2601423), (8759, 2375109), (12447, 1671373), (13813, 1506087), (15213, 1367487), (19629, 1059839), (20691, 1005441), (23991, 867141), (26277, 791703), (41439, 502029), (45639, 455829), (55781, 372951), (62073, 335147), (71973, 289047), (78831, 263901), (87967, 236493), (96349, 215919), (124317, 167343), (136917, 151943)]