20460540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3187}}^1$

素因数の和:3306

約数の個数: 48

約数和(自身を含む): 57843072

約数和(自身を除く): 37382532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3187, 3210, 6374, 6420, 9561, 12748, 15935, 19122, 31870, 38244, 47805, 63740, 95610, 191220, 341009, 682018, 1023027, 1364036, 1705045, 2046054, 3410090, 4092108, 5115135, 6820180, 10230270, 20460540]

約数ペア:

[(1, 20460540), (2, 10230270), (3, 6820180), (4, 5115135), (5, 4092108), (6, 3410090), (10, 2046054), (12, 1705045), (15, 1364036), (20, 1023027), (30, 682018), (60, 341009), (107, 191220), (214, 95610), (321, 63740), (428, 47805), (535, 38244), (642, 31870), (1070, 19122), (1284, 15935), (1605, 12748), (2140, 9561), (3187, 6420), (3210, 6374)]