208190020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{452587}}^1$

素因数の和:452619

約数の個数: 24

約数和(自身を含む): 456208704

約数和(自身を除く): 248018684

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 452587, 905174, 1810348, 2262935, 4525870, 9051740, 10409501, 20819002, 41638004, 52047505, 104095010, 208190020]

約数ペア:

[(1, 208190020), (2, 104095010), (4, 52047505), (5, 41638004), (10, 20819002), (20, 10409501), (23, 9051740), (46, 4525870), (92, 2262935), (115, 1810348), (230, 905174), (460, 452587)]