20156878

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1061}}^1$

素因数の和:1152

約数の個数: 32

約数和(自身を含む): 36702720

約数和(自身を除く): 16545842

約数列:

[1, 2, 7, 14, 23, 46, 59, 118, 161, 322, 413, 826, 1061, 1357, 2122, 2714, 7427, 9499, 14854, 18998, 24403, 48806, 62599, 125198, 170821, 341642, 438193, 876386, 1439777, 2879554, 10078439, 20156878]

約数ペア:

[(1, 20156878), (2, 10078439), (7, 2879554), (14, 1439777), (23, 876386), (46, 438193), (59, 341642), (118, 170821), (161, 125198), (322, 62599), (413, 48806), (826, 24403), (1061, 18998), (1357, 14854), (2122, 9499), (2714, 7427)]