20217131

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1481}}^1$

素因数の和:1582

約数の個数: 16

約数和(自身を含む): 23688288

約数和(自身を除く): 3471157

約数列:

[1, 11, 17, 73, 187, 803, 1241, 1481, 13651, 16291, 25177, 108113, 276947, 1189243, 1837921, 20217131]

約数ペア:

[(1, 20217131), (11, 1837921), (17, 1189243), (73, 276947), (187, 108113), (803, 25177), (1241, 16291), (1481, 13651)]