20354884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12503}}^1$

素因数の和:12555

約数の個数: 24

約数和(自身を含む): 39912768

約数和(自身を除く): 19557884

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 12503, 25006, 50012, 137533, 275066, 462611, 550132, 925222, 1850444, 5088721, 10177442, 20354884]

約数ペア:

[(1, 20354884), (2, 10177442), (4, 5088721), (11, 1850444), (22, 925222), (37, 550132), (44, 462611), (74, 275066), (148, 137533), (407, 50012), (814, 25006), (1628, 12503)]