20636704040

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4733189}}^1$

素因数の和:4733309

約数の個数: 32

約数和(自身を含む): 46858581000

約数和(自身を除く): 26221876960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 4733189, 9466378, 18932756, 23665945, 37865512, 47331890, 94663780, 189327560, 515917601, 1031835202, 2063670404, 2579588005, 4127340808, 5159176010, 10318352020, 20636704040]

約数ペア:

[(1, 20636704040), (2, 10318352020), (4, 5159176010), (5, 4127340808), (8, 2579588005), (10, 2063670404), (20, 1031835202), (40, 515917601), (109, 189327560), (218, 94663780), (436, 47331890), (545, 37865512), (872, 23665945), (1090, 18932756), (2180, 9466378), (4360, 4733189)]