20001443

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{3877}}^1$

素因数の和:3962

約数の個数: 16

約数和(自身を含む): 25315584

約数和(自身を除く): 5314141

約数列:

[1, 7, 11, 67, 77, 469, 737, 3877, 5159, 27139, 42647, 259759, 298529, 1818313, 2857349, 20001443]

約数ペア:

[(1, 20001443), (7, 2857349), (11, 1818313), (67, 298529), (77, 259759), (469, 42647), (737, 27139), (3877, 5159)]