20686682004

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{40090469}}^1$

素因数の和:40090519

約数の個数: 24

約数和(自身を含む): 49391459040

約数和(自身を除く): 28704777036

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 40090469, 80180938, 120271407, 160361876, 240542814, 481085628, 1723890167, 3447780334, 5171670501, 6895560668, 10343341002, 20686682004]

約数ペア:

[(1, 20686682004), (2, 10343341002), (3, 6895560668), (4, 5171670501), (6, 3447780334), (12, 1723890167), (43, 481085628), (86, 240542814), (129, 160361876), (172, 120271407), (258, 80180938), (516, 40090469)]