20771754052

素因数分解:

$2^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{211}}^1\times {\mathrm{8513}}^1$

素因数の和:8801

約数の個数: 72

約数和(自身を含む): 43210933920

約数和(自身を除く): 22439179868

約数列:

[1, 2, 4, 7, 14, 28, 49, 59, 98, 118, 196, 211, 236, 413, 422, 826, 844, 1477, 1652, 2891, 2954, 5782, 5908, 8513, 10339, 11564, 12449, 17026, 20678, 24898, 34052, 41356, 49796, 59591, 87143, 119182, 174286, 238364, 348572, 417137, 502267, 610001, 834274, 1004534, 1220002, 1668548, 1796243, 2009068, 2440004, 3515869, 3592486, 7031738, 7184972, 12573701, 14063476, 24611083, 25147402, 49222166, 50294804, 88015907, 98444332, 105978337, 176031814, 211956674, 352063628, 423913348, 741848359, 1483696718, 2967393436, 5192938513, 10385877026, 20771754052]

約数ペア:

[(1, 20771754052), (2, 10385877026), (4, 5192938513), (7, 2967393436), (14, 1483696718), (28, 741848359), (49, 423913348), (59, 352063628), (98, 211956674), (118, 176031814), (196, 105978337), (211, 98444332), (236, 88015907), (413, 50294804), (422, 49222166), (826, 25147402), (844, 24611083), (1477, 14063476), (1652, 12573701), (2891, 7184972), (2954, 7031738), (5782, 3592486), (5908, 3515869), (8513, 2440004), (10339, 2009068), (11564, 1796243), (12449, 1668548), (17026, 1220002), (20678, 1004534), (24898, 834274), (34052, 610001), (41356, 502267), (49796, 417137), (59591, 348572), (87143, 238364), (119182, 174286)]