20975.0000000

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{48437}}^1$

素因数の和:48463

約数の個数: 16

約数和(自身を含む): 17437680

約数和(自身を除く): 8234650

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 48437, 96874, 242185, 484370, 920303, 1840606, 4601515, 9203030]

約数ペア:

[(1, 9203030), (2, 4601515), (5, 1840606), (10, 920303), (19, 484370), (38, 242185), (95, 96874), (190, 48437)]