20927916

素因数分解:

$2^2\times 3^3\times {\mathrm{107}}^1\times {\mathrm{1811}}^1$

素因数の和:1931

約数の個数: 48

約数和(自身を含む): 54794880

約数和(自身を除く): 33866964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 107, 108, 214, 321, 428, 642, 963, 1284, 1811, 1926, 2889, 3622, 3852, 5433, 5778, 7244, 10866, 11556, 16299, 21732, 32598, 48897, 65196, 97794, 193777, 195588, 387554, 581331, 775108, 1162662, 1743993, 2325324, 3487986, 5231979, 6975972, 10463958, 20927916]

約数ペア:

[(1, 20927916), (2, 10463958), (3, 6975972), (4, 5231979), (6, 3487986), (9, 2325324), (12, 1743993), (18, 1162662), (27, 775108), (36, 581331), (54, 387554), (107, 195588), (108, 193777), (214, 97794), (321, 65196), (428, 48897), (642, 32598), (963, 21732), (1284, 16299), (1811, 11556), (1926, 10866), (2889, 7244), (3622, 5778), (3852, 5433)]