20254444

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{4493}}^1$

素因数の和:4534

約数の個数: 36

約数和(自身を含む): 43034544

約数和(自身を除く): 22780100

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4493, 4508, 8986, 17972, 31451, 62902, 103339, 125804, 206678, 220157, 413356, 440314, 723373, 880628, 1446746, 2893492, 5063611, 10127222, 20254444]

約数ペア:

[(1, 20254444), (2, 10127222), (4, 5063611), (7, 2893492), (14, 1446746), (23, 880628), (28, 723373), (46, 440314), (49, 413356), (92, 220157), (98, 206678), (161, 125804), (196, 103339), (322, 62902), (644, 31451), (1127, 17972), (2254, 8986), (4493, 4508)]