20684992

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{7883}}^1$

素因数の和:7936

約数の個数: 28

約数和(自身を含む): 42053256

約数和(自身を除く): 21368264

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 328, 656, 1312, 2624, 7883, 15766, 31532, 63064, 126128, 252256, 323203, 504512, 646406, 1292812, 2585624, 5171248, 10342496, 20684992]

約数ペア:

[(1, 20684992), (2, 10342496), (4, 5171248), (8, 2585624), (16, 1292812), (32, 646406), (41, 504512), (64, 323203), (82, 252256), (164, 126128), (328, 63064), (656, 31532), (1312, 15766), (2624, 7883)]