20484370

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18793}}^1$

素因数の和:18909

約数の個数: 16

約数和(自身を含む): 37212120

約数和(自身を除く): 16727750

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 18793, 37586, 93965, 187930, 2048437, 4096874, 10242185, 20484370]

約数ペア:

[(1, 20484370), (2, 10242185), (5, 4096874), (10, 2048437), (109, 187930), (218, 93965), (545, 37586), (1090, 18793)]