20618695

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{4373}}^1$

素因数の和:4442

約数の個数: 16

約数和(自身を含む): 26453952

約数和(自身を除く): 5835257

約数列:

[1, 5, 23, 41, 115, 205, 943, 4373, 4715, 21865, 100579, 179293, 502895, 896465, 4123739, 20618695]

約数ペア:

[(1, 20618695), (5, 4123739), (23, 896465), (41, 502895), (115, 179293), (205, 100579), (943, 21865), (4373, 4715)]