20188477628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{2087}}^1\times {\mathrm{219851}}^1$

素因数の和:221953

約数の個数: 24

約数和(自身を含む): 38560281984

約数和(自身を除く): 18371804356

約数列:

[1, 2, 4, 11, 22, 44, 2087, 4174, 8348, 22957, 45914, 91828, 219851, 439702, 879404, 2418361, 4836722, 9673444, 458829037, 917658074, 1835316148, 5047119407, 10094238814, 20188477628]

約数ペア:

[(1, 20188477628), (2, 10094238814), (4, 5047119407), (11, 1835316148), (22, 917658074), (44, 458829037), (2087, 9673444), (4174, 4836722), (8348, 2418361), (22957, 879404), (45914, 439702), (91828, 219851)]