20495536

素因数分解:

$2^4\times {\mathrm{457}}^1\times {\mathrm{2803}}^1$

素因数の和:3268

約数の個数: 20

約数和(自身を含む): 39811192

約数和(自身を除く): 19315656

約数列:

[1, 2, 4, 8, 16, 457, 914, 1828, 2803, 3656, 5606, 7312, 11212, 22424, 44848, 1280971, 2561942, 5123884, 10247768, 20495536]

約数ペア:

[(1, 20495536), (2, 10247768), (4, 5123884), (8, 2561942), (16, 1280971), (457, 44848), (914, 22424), (1828, 11212), (2803, 7312), (3656, 5606)]