20831514

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{13723}}^1$

素因数の和:13762

約数の個数: 32

約数和(自身を含む): 47430144

約数和(自身を除く): 26598630

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 13723, 27446, 41169, 82338, 150953, 301906, 315629, 452859, 631258, 905718, 946887, 1893774, 3471919, 6943838, 10415757, 20831514]

約数ペア:

[(1, 20831514), (2, 10415757), (3, 6943838), (6, 3471919), (11, 1893774), (22, 946887), (23, 905718), (33, 631258), (46, 452859), (66, 315629), (69, 301906), (138, 150953), (253, 82338), (506, 41169), (759, 27446), (1518, 13723)]