20803890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1987}}^1$

素因数の和:2346

約数の個数: 32

約数和(自身を含む): 50097600

約数和(自身を除く): 29293710

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 349, 698, 1047, 1745, 1987, 2094, 3490, 3974, 5235, 5961, 9935, 10470, 11922, 19870, 29805, 59610, 693463, 1386926, 2080389, 3467315, 4160778, 6934630, 10401945, 20803890]

約数ペア:

[(1, 20803890), (2, 10401945), (3, 6934630), (5, 4160778), (6, 3467315), (10, 2080389), (15, 1386926), (30, 693463), (349, 59610), (698, 29805), (1047, 19870), (1745, 11922), (1987, 10470), (2094, 9935), (3490, 5961), (3974, 5235)]