20382175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{541}}^1$

素因数の和:699

約数の個数: 24

約数和(自身を含む): 27824112

約数和(自身を除く): 7441937

約数列:

[1, 5, 11, 25, 55, 137, 275, 541, 685, 1507, 2705, 3425, 5951, 7535, 13525, 29755, 37675, 74117, 148775, 370585, 815287, 1852925, 4076435, 20382175]

約数ペア:

[(1, 20382175), (5, 4076435), (11, 1852925), (25, 815287), (55, 370585), (137, 148775), (275, 74117), (541, 37675), (685, 29755), (1507, 13525), (2705, 7535), (3425, 5951)]