207408020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{450887}}^1$

素因数の和:450919

約数の個数: 24

約数和(自身を含む): 454495104

約数和(自身を除く): 247087084

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 450887, 901774, 1803548, 2254435, 4508870, 9017740, 10370401, 20740802, 41481604, 51852005, 103704010, 207408020]

約数ペア:

[(1, 207408020), (2, 103704010), (4, 51852005), (5, 41481604), (10, 20740802), (20, 10370401), (23, 9017740), (46, 4508870), (92, 2254435), (115, 1803548), (230, 901774), (460, 450887)]