20542876

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1973}}^1$

素因数の和:2133

約数の個数: 24

約数和(自身を含む): 38137680

約数和(自身を除く): 17594804

約数列:

[1, 2, 4, 19, 38, 76, 137, 274, 548, 1973, 2603, 3946, 5206, 7892, 10412, 37487, 74974, 149948, 270301, 540602, 1081204, 5135719, 10271438, 20542876]

約数ペア:

[(1, 20542876), (2, 10271438), (4, 5135719), (19, 1081204), (38, 540602), (76, 270301), (137, 149948), (274, 74974), (548, 37487), (1973, 10412), (2603, 7892), (3946, 5206)]