20091376

素因数分解:

$2^4\times {\mathrm{397}}^1\times {\mathrm{3163}}^1$

素因数の和:3568

約数の個数: 20

約数和(自身を含む): 39037432

約数和(自身を除く): 18946056

約数列:

[1, 2, 4, 8, 16, 397, 794, 1588, 3163, 3176, 6326, 6352, 12652, 25304, 50608, 1255711, 2511422, 5022844, 10045688, 20091376]

約数ペア:

[(1, 20091376), (2, 10045688), (4, 5022844), (8, 2511422), (16, 1255711), (397, 50608), (794, 25304), (1588, 12652), (3163, 6352), (3176, 6326)]