20884828

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{1657}}^1$

素因数の和:1821

約数の個数: 24

約数和(自身を含む): 38439072

約数和(自身を除く): 17554244

約数列:

[1, 2, 4, 23, 46, 92, 137, 274, 548, 1657, 3151, 3314, 6302, 6628, 12604, 38111, 76222, 152444, 227009, 454018, 908036, 5221207, 10442414, 20884828]

約数ペア:

[(1, 20884828), (2, 10442414), (4, 5221207), (23, 908036), (46, 454018), (92, 227009), (137, 152444), (274, 76222), (548, 38111), (1657, 12604), (3151, 6628), (3314, 6302)]