20194995861

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1871}}^1$

素因数の和:2039

約数の個数: 96

約数和(自身を含む): 33642086400

約数和(自身を除く): 13447090539

約数列:

[1, 3, 9, 17, 19, 47, 51, 57, 79, 141, 153, 171, 237, 323, 423, 711, 799, 893, 969, 1343, 1501, 1871, 2397, 2679, 2907, 3713, 4029, 4503, 5613, 7191, 8037, 11139, 12087, 13509, 15181, 16839, 25517, 31807, 33417, 35549, 45543, 63121, 70547, 76551, 87937, 95421, 106647, 136629, 147809, 189363, 211641, 229653, 263811, 286263, 319941, 443427, 568089, 604333, 634923, 791433, 1199299, 1330281, 1494929, 1670803, 1812999, 2512753, 2808371, 3597897, 4484787, 5012409, 5438997, 6947023, 7538259, 8425113, 10793691, 13454361, 15037227, 20841069, 22614777, 25275339, 28403651, 47742307, 62523207, 85210953, 118099391, 131993437, 143226921, 255632859, 354298173, 395980311, 429680763, 1062894519, 1187940933, 2243888429, 6731665287, 20194995861]

約数ペア:

[(1, 20194995861), (3, 6731665287), (9, 2243888429), (17, 1187940933), (19, 1062894519), (47, 429680763), (51, 395980311), (57, 354298173), (79, 255632859), (141, 143226921), (153, 131993437), (171, 118099391), (237, 85210953), (323, 62523207), (423, 47742307), (711, 28403651), (799, 25275339), (893, 22614777), (969, 20841069), (1343, 15037227), (1501, 13454361), (1871, 10793691), (2397, 8425113), (2679, 7538259), (2907, 6947023), (3713, 5438997), (4029, 5012409), (4503, 4484787), (5613, 3597897), (7191, 2808371), (8037, 2512753), (11139, 1812999), (12087, 1670803), (13509, 1494929), (15181, 1330281), (16839, 1199299), (25517, 791433), (31807, 634923), (33417, 604333), (35549, 568089), (45543, 443427), (63121, 319941), (70547, 286263), (76551, 263811), (87937, 229653), (95421, 211641), (106647, 189363), (136629, 147809)]