20858754

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2521}}^1$

素因数の和:2730

約数の個数: 32

約数和(自身を含む): 47938176

約数和(自身を除く): 27079422

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 197, 394, 591, 1182, 1379, 2521, 2758, 4137, 5042, 7563, 8274, 15126, 17647, 35294, 52941, 105882, 496637, 993274, 1489911, 2979822, 3476459, 6952918, 10429377, 20858754]

約数ペア:

[(1, 20858754), (2, 10429377), (3, 6952918), (6, 3476459), (7, 2979822), (14, 1489911), (21, 993274), (42, 496637), (197, 105882), (394, 52941), (591, 35294), (1182, 17647), (1379, 15126), (2521, 8274), (2758, 7563), (4137, 5042)]