20773748

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{379}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 37154880

約数和(自身を除く): 16381132

約数列:

[1, 2, 4, 71, 142, 193, 284, 379, 386, 758, 772, 1516, 13703, 26909, 27406, 53818, 54812, 73147, 107636, 146294, 292588, 5193437, 10386874, 20773748]

約数ペア:

[(1, 20773748), (2, 10386874), (4, 5193437), (71, 292588), (142, 146294), (193, 107636), (284, 73147), (379, 54812), (386, 53818), (758, 27406), (772, 26909), (1516, 13703)]