20544340

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{6151}}^1$

素因数の和:6327

約数の個数: 24

約数和(自身を含む): 43408512

約数和(自身を除く): 22864172

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 6151, 12302, 24604, 30755, 61510, 123020, 1027217, 2054434, 4108868, 5136085, 10272170, 20544340]

約数ペア:

[(1, 20544340), (2, 10272170), (4, 5136085), (5, 4108868), (10, 2054434), (20, 1027217), (167, 123020), (334, 61510), (668, 30755), (835, 24604), (1670, 12302), (3340, 6151)]