208144420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{946111}}^1$

素因数の和:946131

約数の個数: 24

約数和(自身を含む): 476840448

約数和(自身を除く): 268696028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 946111, 1892222, 3784444, 4730555, 9461110, 10407221, 18922220, 20814442, 41628884, 52036105, 104072210, 208144420]

約数ペア:

[(1, 208144420), (2, 104072210), (4, 52036105), (5, 41628884), (10, 20814442), (11, 18922220), (20, 10407221), (22, 9461110), (44, 4730555), (55, 3784444), (110, 1892222), (220, 946111)]