201888020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{438887}}^1$

素因数の和:438919

約数の個数: 24

約数和(自身を含む): 442399104

約数和(自身を除く): 240511084

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 438887, 877774, 1755548, 2194435, 4388870, 8777740, 10094401, 20188802, 40377604, 50472005, 100944010, 201888020]

約数ペア:

[(1, 201888020), (2, 100944010), (4, 50472005), (5, 40377604), (10, 20188802), (20, 10094401), (23, 8777740), (46, 4388870), (92, 2194435), (115, 1755548), (230, 877774), (460, 438887)]