20807775207

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{80369}}^1$

素因数の和:80644

約数の個数: 32

約数和(自身を含む): 31685068800

約数和(自身を除く): 10877293593

約数列:

[1, 3, 9, 27, 43, 129, 223, 387, 669, 1161, 2007, 6021, 9589, 28767, 80369, 86301, 241107, 258903, 723321, 2169963, 3455867, 10367601, 17922287, 31102803, 53766861, 93308409, 161300583, 483901749, 770658341, 2311975023, 6935925069, 20807775207]

約数ペア:

[(1, 20807775207), (3, 6935925069), (9, 2311975023), (27, 770658341), (43, 483901749), (129, 161300583), (223, 93308409), (387, 53766861), (669, 31102803), (1161, 17922287), (2007, 10367601), (6021, 3455867), (9589, 2169963), (28767, 723321), (80369, 258903), (86301, 241107)]