20496142016

素因数分解:

$2^6\times 7^1\times {\mathrm{47}}^1\times {\mathrm{973411}}^1$

素因数の和:973477

約数の個数: 56

約数和(自身を含む): 47471356416

約数和(自身を除く): 26975214400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 64, 94, 112, 188, 224, 329, 376, 448, 658, 752, 1316, 1504, 2632, 3008, 5264, 10528, 21056, 973411, 1946822, 3893644, 6813877, 7787288, 13627754, 15574576, 27255508, 31149152, 45750317, 54511016, 62298304, 91500634, 109022032, 183001268, 218044064, 320252219, 366002536, 436088128, 640504438, 732005072, 1281008876, 1464010144, 2562017752, 2928020288, 5124035504, 10248071008, 20496142016]

約数ペア:

[(1, 20496142016), (2, 10248071008), (4, 5124035504), (7, 2928020288), (8, 2562017752), (14, 1464010144), (16, 1281008876), (28, 732005072), (32, 640504438), (47, 436088128), (56, 366002536), (64, 320252219), (94, 218044064), (112, 183001268), (188, 109022032), (224, 91500634), (329, 62298304), (376, 54511016), (448, 45750317), (658, 31149152), (752, 27255508), (1316, 15574576), (1504, 13627754), (2632, 7787288), (3008, 6813877), (5264, 3893644), (10528, 1946822), (21056, 973411)]