20938841

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{9377}}^1$

素因数の和:9424

約数の個数: 16

約数和(自身を含む): 27008640

約数和(自身を除く): 6069799

約数列:

[1, 7, 11, 29, 77, 203, 319, 2233, 9377, 65639, 103147, 271933, 722029, 1903531, 2991263, 20938841]

約数ペア:

[(1, 20938841), (7, 2991263), (11, 1903531), (29, 722029), (77, 271933), (203, 103147), (319, 65639), (2233, 9377)]