20162586440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1396301}}^1$

素因数の和:1396350

約数の個数: 48

約数和(自身を含む): 47879195580

約数和(自身を除く): 27716609140

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 7220, 14440, 1396301, 2792602, 5585204, 6981505, 11170408, 13963010, 26529719, 27926020, 53059438, 55852040, 106118876, 132648595, 212237752, 265297190, 504064661, 530594380, 1008129322, 1061188760, 2016258644, 2520323305, 4032517288, 5040646610, 10081293220, 20162586440]

約数ペア:

[(1, 20162586440), (2, 10081293220), (4, 5040646610), (5, 4032517288), (8, 2520323305), (10, 2016258644), (19, 1061188760), (20, 1008129322), (38, 530594380), (40, 504064661), (76, 265297190), (95, 212237752), (152, 132648595), (190, 106118876), (361, 55852040), (380, 53059438), (722, 27926020), (760, 26529719), (1444, 13963010), (1805, 11170408), (2888, 6981505), (3610, 5585204), (7220, 2792602), (14440, 1396301)]