20739968122

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1\times {\mathrm{634211}}^1$

素因数の和:634493

約数の個数: 16

約数和(自身を含む): 31644641952

約数和(自身を除く): 10904673830

約数列:

[1, 2, 83, 166, 197, 394, 16351, 32702, 634211, 1268422, 52639513, 105279026, 124939567, 249879134, 10369984061, 20739968122]

約数ペア:

[(1, 20739968122), (2, 10369984061), (83, 249879134), (166, 124939567), (197, 105279026), (394, 52639513), (16351, 1268422), (32702, 634211)]