19766020

素因数分解:

$2^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1447}}^1$

素因数の和:2139

約数の個数: 24

約数和(自身を含む): 41598144

約数和(自身を除く): 21832124

約数列:

[1, 2, 4, 5, 10, 20, 683, 1366, 1447, 2732, 2894, 3415, 5788, 6830, 7235, 13660, 14470, 28940, 988301, 1976602, 3953204, 4941505, 9883010, 19766020]

約数ペア:

[(1, 19766020), (2, 9883010), (4, 4941505), (5, 3953204), (10, 1976602), (20, 988301), (683, 28940), (1366, 14470), (1447, 13660), (2732, 7235), (2894, 6830), (3415, 5788)]