205807820

素因数分解:

$2^2\times 5^1\times {\mathrm{1667}}^1\times {\mathrm{6173}}^1$

素因数の和:7849

約数の個数: 24

約数和(自身を含む): 432525744

約数和(自身を除く): 226717924

約数列:

[1, 2, 4, 5, 10, 20, 1667, 3334, 6173, 6668, 8335, 12346, 16670, 24692, 30865, 33340, 61730, 123460, 10290391, 20580782, 41161564, 51451955, 102903910, 205807820]

約数ペア:

[(1, 205807820), (2, 102903910), (4, 51451955), (5, 41161564), (10, 20580782), (20, 10290391), (1667, 123460), (3334, 61730), (6173, 33340), (6668, 30865), (8335, 24692), (12346, 16670)]