20000156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{19763}}^1$

素因数の和:19801

約数の個数: 24

約数和(自身を含む): 39844224

約数和(自身を除く): 19844068

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 19763, 39526, 79052, 217393, 434786, 454549, 869572, 909098, 1818196, 5000039, 10000078, 20000156]

約数ペア:

[(1, 20000156), (2, 10000078), (4, 5000039), (11, 1818196), (22, 909098), (23, 869572), (44, 454549), (46, 434786), (92, 217393), (253, 79052), (506, 39526), (1012, 19763)]