20474092016

素因数分解:

$2^4\times 7^1\times {\mathrm{443}}^1\times {\mathrm{412651}}^1$

素因数の和:413109

約数の個数: 40

約数和(自身を含む): 45437937024

約数和(自身を除く): 24963845008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 443, 886, 1772, 3101, 3544, 6202, 7088, 12404, 24808, 49616, 412651, 825302, 1650604, 2888557, 3301208, 5777114, 6602416, 11554228, 23108456, 46216912, 182804393, 365608786, 731217572, 1279630751, 1462435144, 2559261502, 2924870288, 5118523004, 10237046008, 20474092016]

約数ペア:

[(1, 20474092016), (2, 10237046008), (4, 5118523004), (7, 2924870288), (8, 2559261502), (14, 1462435144), (16, 1279630751), (28, 731217572), (56, 365608786), (112, 182804393), (443, 46216912), (886, 23108456), (1772, 11554228), (3101, 6602416), (3544, 5777114), (6202, 3301208), (7088, 2888557), (12404, 1650604), (24808, 825302), (49616, 412651)]