20512110255

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{20063}}^1$

素因数の和:20205

約数の個数: 96

約数和(自身を含む): 41500698624

約数和(自身を除く): 20988588369

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 107, 147, 195, 245, 273, 321, 455, 535, 637, 735, 749, 1365, 1391, 1605, 1911, 2247, 3185, 3745, 4173, 5243, 6955, 9555, 9737, 11235, 15729, 20063, 20865, 26215, 29211, 48685, 60189, 68159, 78645, 100315, 140441, 146055, 204477, 260819, 300945, 340795, 421323, 702205, 782457, 983087, 1022385, 1304095, 1825733, 2106615, 2146741, 2949261, 3912285, 4915435, 5477199, 6440223, 9128665, 10733705, 12780131, 14746305, 15027187, 27385995, 27907633, 32201115, 38340393, 45081561, 63900655, 75135935, 83722899, 105190309, 139538165, 191701965, 195353431, 225407805, 315570927, 418614495, 525951545, 586060293, 976767155, 1367474017, 1577854635, 2930301465, 4102422051, 6837370085, 20512110255]

約数ペア:

[(1, 20512110255), (3, 6837370085), (5, 4102422051), (7, 2930301465), (13, 1577854635), (15, 1367474017), (21, 976767155), (35, 586060293), (39, 525951545), (49, 418614495), (65, 315570927), (91, 225407805), (105, 195353431), (107, 191701965), (147, 139538165), (195, 105190309), (245, 83722899), (273, 75135935), (321, 63900655), (455, 45081561), (535, 38340393), (637, 32201115), (735, 27907633), (749, 27385995), (1365, 15027187), (1391, 14746305), (1605, 12780131), (1911, 10733705), (2247, 9128665), (3185, 6440223), (3745, 5477199), (4173, 4915435), (5243, 3912285), (6955, 2949261), (9555, 2146741), (9737, 2106615), (11235, 1825733), (15729, 1304095), (20063, 1022385), (20865, 983087), (26215, 782457), (29211, 702205), (48685, 421323), (60189, 340795), (68159, 300945), (78645, 260819), (100315, 204477), (140441, 146055)]