20387008

素因数分解:

$2^6\times {\mathrm{113}}^1\times {\mathrm{2819}}^1$

素因数の和:2944

約数の個数: 28

約数和(自身を含む): 40827960

約数和(自身を除く): 20440952

約数列:

[1, 2, 4, 8, 16, 32, 64, 113, 226, 452, 904, 1808, 2819, 3616, 5638, 7232, 11276, 22552, 45104, 90208, 180416, 318547, 637094, 1274188, 2548376, 5096752, 10193504, 20387008]

約数ペア:

[(1, 20387008), (2, 10193504), (4, 5096752), (8, 2548376), (16, 1274188), (32, 637094), (64, 318547), (113, 180416), (226, 90208), (452, 45104), (904, 22552), (1808, 11276), (2819, 7232), (3616, 5638)]