20040464

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{9011}}^1$

素因数の和:9158

約数の個数: 20

約数和(自身を含む): 39112080

約数和(自身を除く): 19071616

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 9011, 18022, 36044, 72088, 144176, 1252529, 2505058, 5010116, 10020232, 20040464]

約数ペア:

[(1, 20040464), (2, 10020232), (4, 5010116), (8, 2505058), (16, 1252529), (139, 144176), (278, 72088), (556, 36044), (1112, 18022), (2224, 9011)]