20804950705

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{433}}^1\times {\mathrm{3373}}^1$

素因数の和:3866

約数の個数: 64

約数和(自身を含む): 32050948608

約数和(自身を除く): 11245997903

約数列:

[1, 5, 7, 11, 35, 37, 55, 77, 185, 259, 385, 407, 433, 1295, 2035, 2165, 2849, 3031, 3373, 4763, 14245, 15155, 16021, 16865, 23611, 23815, 33341, 37103, 80105, 112147, 118055, 124801, 166705, 176231, 185515, 259721, 560735, 624005, 873607, 881155, 1233617, 1298605, 1372811, 1460509, 4368035, 6168085, 6864055, 7302545, 9609677, 10223563, 16065599, 48048385, 51117815, 54038833, 80327995, 112459193, 270194165, 378271831, 562295965, 594427163, 1891359155, 2972135815, 4160990141, 20804950705]

約数ペア:

[(1, 20804950705), (5, 4160990141), (7, 2972135815), (11, 1891359155), (35, 594427163), (37, 562295965), (55, 378271831), (77, 270194165), (185, 112459193), (259, 80327995), (385, 54038833), (407, 51117815), (433, 48048385), (1295, 16065599), (2035, 10223563), (2165, 9609677), (2849, 7302545), (3031, 6864055), (3373, 6168085), (4763, 4368035), (14245, 1460509), (15155, 1372811), (16021, 1298605), (16865, 1233617), (23611, 881155), (23815, 873607), (33341, 624005), (37103, 560735), (80105, 259721), (112147, 185515), (118055, 176231), (124801, 166705)]