20491376

素因数分解:

$2^4\times {\mathrm{619}}^1\times {\mathrm{2069}}^1$

素因数の和:2696

約数の個数: 20

約数和(自身を含む): 39785400

約数和(自身を除く): 19294024

約数列:

[1, 2, 4, 8, 16, 619, 1238, 2069, 2476, 4138, 4952, 8276, 9904, 16552, 33104, 1280711, 2561422, 5122844, 10245688, 20491376]

約数ペア:

[(1, 20491376), (2, 10245688), (4, 5122844), (8, 2561422), (16, 1280711), (619, 33104), (1238, 16552), (2069, 9904), (2476, 8276), (4138, 4952)]