20266516

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{607}}^1$

素因数の和:1119

約数の個数: 24

約数和(自身を含む): 37691136

約数和(自身を除く): 17424620

約数列:

[1, 2, 4, 17, 34, 68, 491, 607, 982, 1214, 1964, 2428, 8347, 10319, 16694, 20638, 33388, 41276, 298037, 596074, 1192148, 5066629, 10133258, 20266516]

約数ペア:

[(1, 20266516), (2, 10133258), (4, 5066629), (17, 1192148), (34, 596074), (68, 298037), (491, 41276), (607, 33388), (982, 20638), (1214, 16694), (1964, 10319), (2428, 8347)]