20973776

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{17957}}^1$

素因数の和:18038

約数の個数: 20

約数和(自身を含む): 41195652

約数和(自身を除く): 20221876

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 17957, 35914, 71828, 143656, 287312, 1310861, 2621722, 5243444, 10486888, 20973776]

約数ペア:

[(1, 20973776), (2, 10486888), (4, 5243444), (8, 2621722), (16, 1310861), (73, 287312), (146, 143656), (292, 71828), (584, 35914), (1168, 17957)]