20584420

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{6163}}^1$

素因数の和:6339

約数の個数: 24

約数和(自身を含む): 43493184

約数和(自身を除く): 22908764

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 6163, 12326, 24652, 30815, 61630, 123260, 1029221, 2058442, 4116884, 5146105, 10292210, 20584420]

約数ペア:

[(1, 20584420), (2, 10292210), (4, 5146105), (5, 4116884), (10, 2058442), (20, 1029221), (167, 123260), (334, 61630), (668, 30815), (835, 24652), (1670, 12326), (3340, 6163)]