20951514

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{787}}^1$

素因数の和:844

約数の個数: 64

約数和(自身を含む): 51062400

約数和(自身を除く): 30110886

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 29, 34, 51, 54, 58, 87, 102, 153, 174, 261, 306, 459, 493, 522, 783, 787, 918, 986, 1479, 1566, 1574, 2361, 2958, 4437, 4722, 7083, 8874, 13311, 13379, 14166, 21249, 22823, 26622, 26758, 40137, 42498, 45646, 68469, 80274, 120411, 136938, 205407, 240822, 361233, 387991, 410814, 616221, 722466, 775982, 1163973, 1232442, 2327946, 3491919, 6983838, 10475757, 20951514]

約数ペア:

[(1, 20951514), (2, 10475757), (3, 6983838), (6, 3491919), (9, 2327946), (17, 1232442), (18, 1163973), (27, 775982), (29, 722466), (34, 616221), (51, 410814), (54, 387991), (58, 361233), (87, 240822), (102, 205407), (153, 136938), (174, 120411), (261, 80274), (306, 68469), (459, 45646), (493, 42498), (522, 40137), (783, 26758), (787, 26622), (918, 22823), (986, 21249), (1479, 14166), (1566, 13379), (1574, 13311), (2361, 8874), (2958, 7083), (4437, 4722)]