203419820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{442217}}^1$

素因数の和:442249

約数の個数: 24

約数和(自身を含む): 445755744

約数和(自身を除く): 242335924

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 442217, 884434, 1768868, 2211085, 4422170, 8844340, 10170991, 20341982, 40683964, 50854955, 101709910, 203419820]

約数ペア:

[(1, 203419820), (2, 101709910), (4, 50854955), (5, 40683964), (10, 20341982), (20, 10170991), (23, 8844340), (46, 4422170), (92, 2211085), (115, 1768868), (230, 884434), (460, 442217)]