20550871160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12531019}}^1$

素因数の和:12531071

約数の個数: 32

約数和(自身を含む): 47367255600

約数和(自身を除く): 26816384440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 12531019, 25062038, 50124076, 62655095, 100248152, 125310190, 250620380, 501240760, 513771779, 1027543558, 2055087116, 2568858895, 4110174232, 5137717790, 10275435580, 20550871160]

約数ペア:

[(1, 20550871160), (2, 10275435580), (4, 5137717790), (5, 4110174232), (8, 2568858895), (10, 2055087116), (20, 1027543558), (40, 513771779), (41, 501240760), (82, 250620380), (164, 125310190), (205, 100248152), (328, 62655095), (410, 50124076), (820, 25062038), (1640, 12531019)]