20782803

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{5197}}^1$

素因数の和:5274

約数の個数: 16

約数和(自身を含む): 29275136

約数和(自身を除く): 8492333

約数列:

[1, 3, 31, 43, 93, 129, 1333, 3999, 5197, 15591, 161107, 223471, 483321, 670413, 6927601, 20782803]

約数ペア:

[(1, 20782803), (3, 6927601), (31, 670413), (43, 483321), (93, 223471), (129, 161107), (1333, 15591), (3999, 5197)]