20554420

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{17419}}^1$

素因数の和:17487

約数の個数: 24

約数和(自身を含む): 43898400

約数和(自身を除く): 23343980

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 17419, 34838, 69676, 87095, 174190, 348380, 1027721, 2055442, 4110884, 5138605, 10277210, 20554420]

約数ペア:

[(1, 20554420), (2, 10277210), (4, 5138605), (5, 4110884), (10, 2055442), (20, 1027721), (59, 348380), (118, 174190), (236, 87095), (295, 69676), (590, 34838), (1180, 17419)]