20197480

素因数分解:

$2^3\times 5^1\times {\mathrm{504937}}^1$

素因数の和:504948

約数の個数: 16

約数和(自身を含む): 45444420

約数和(自身を除く): 25246940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504937, 1009874, 2019748, 2524685, 4039496, 5049370, 10098740, 20197480]

約数ペア:

[(1, 20197480), (2, 10098740), (4, 5049370), (5, 4039496), (8, 2524685), (10, 2019748), (20, 1009874), (40, 504937)]