20731657209

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1\times {\mathrm{7369}}^1$

素因数の和:7721

約数の個数: 32

約数和(自身を含む): 28687105920

約数和(自身を除く): 7955448711

約数列:

[1, 3, 43, 113, 129, 193, 339, 579, 4859, 7369, 8299, 14577, 21809, 22107, 24897, 65427, 316867, 832697, 937787, 950601, 1422217, 2498091, 2813361, 4266651, 35805971, 61155331, 107417913, 160710521, 183465993, 482131563, 6910552403, 20731657209]

約数ペア:

[(1, 20731657209), (3, 6910552403), (43, 482131563), (113, 183465993), (129, 160710521), (193, 107417913), (339, 61155331), (579, 35805971), (4859, 4266651), (7369, 2813361), (8299, 2498091), (14577, 1422217), (21809, 950601), (22107, 937787), (24897, 832697), (65427, 316867)]