20551764

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{39829}}^1$

素因数の和:39879

約数の個数: 24

約数和(自身を含む): 49070560

約数和(自身を除く): 28518796

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 39829, 79658, 119487, 159316, 238974, 477948, 1712647, 3425294, 5137941, 6850588, 10275882, 20551764]

約数ペア:

[(1, 20551764), (2, 10275882), (3, 6850588), (4, 5137941), (6, 3425294), (12, 1712647), (43, 477948), (86, 238974), (129, 159316), (172, 119487), (258, 79658), (516, 39829)]