20885994

素因数分解:

$2^1\times 3^2\times {\mathrm{409}}^1\times {\mathrm{2837}}^1$

素因数の和:3254

約数の個数: 24

約数和(自身を含む): 45379620

約数和(自身を除く): 24493626

約数列:

[1, 2, 3, 6, 9, 18, 409, 818, 1227, 2454, 2837, 3681, 5674, 7362, 8511, 17022, 25533, 51066, 1160333, 2320666, 3480999, 6961998, 10442997, 20885994]

約数ペア:

[(1, 20885994), (2, 10442997), (3, 6961998), (6, 3480999), (9, 2320666), (18, 1160333), (409, 51066), (818, 25533), (1227, 17022), (2454, 8511), (2837, 7362), (3681, 5674)]