69621220

素因数分解:

$2^2\times 5^1\times {\mathrm{1759}}^1\times {\mathrm{1979}}^1$

素因数の和:3747

約数の個数: 24

約数和(自身を含む): 146361600

約数和(自身を除く): 76740380

約数列:

[1, 2, 4, 5, 10, 20, 1759, 1979, 3518, 3958, 7036, 7916, 8795, 9895, 17590, 19790, 35180, 39580, 3481061, 6962122, 13924244, 17405305, 34810610, 69621220]

約数ペア:

[(1, 69621220), (2, 34810610), (4, 17405305), (5, 13924244), (10, 6962122), (20, 3481061), (1759, 39580), (1979, 35180), (3518, 19790), (3958, 17590), (7036, 9895), (7916, 8795)]