20957712

素因数分解:

$2^4\times 3^1\times {\mathrm{137}}^1\times {\mathrm{3187}}^1$

素因数の和:3335

約数の個数: 40

約数和(自身を含む): 54553056

約数和(自身を除く): 33595344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 137, 274, 411, 548, 822, 1096, 1644, 2192, 3187, 3288, 6374, 6576, 9561, 12748, 19122, 25496, 38244, 50992, 76488, 152976, 436619, 873238, 1309857, 1746476, 2619714, 3492952, 5239428, 6985904, 10478856, 20957712]

約数ペア:

[(1, 20957712), (2, 10478856), (3, 6985904), (4, 5239428), (6, 3492952), (8, 2619714), (12, 1746476), (16, 1309857), (24, 873238), (48, 436619), (137, 152976), (274, 76488), (411, 50992), (548, 38244), (822, 25496), (1096, 19122), (1644, 12748), (2192, 9561), (3187, 6576), (3288, 6374)]