20808816664

素因数分解:

$2^3\times {\mathrm{653}}^1\times {\mathrm{1223}}^1\times {\mathrm{3257}}^1$

素因数の和:5139

約数の個数: 32

約数和(自身を含む): 39120239520

約数和(自身を除く): 18311422856

約数列:

[1, 2, 4, 8, 653, 1223, 1306, 2446, 2612, 3257, 4892, 5224, 6514, 9784, 13028, 26056, 798619, 1597238, 2126821, 3194476, 3983311, 4253642, 6388952, 7966622, 8507284, 15933244, 17014568, 31866488, 2601102083, 5202204166, 10404408332, 20808816664]

約数ペア:

[(1, 20808816664), (2, 10404408332), (4, 5202204166), (8, 2601102083), (653, 31866488), (1223, 17014568), (1306, 15933244), (2446, 8507284), (2612, 7966622), (3257, 6388952), (4892, 4253642), (5224, 3983311), (6514, 3194476), (9784, 2126821), (13028, 1597238), (26056, 798619)]