20883303

素因数分解:

$3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1571}}^1$

素因数の和:1795

約数の個数: 24

約数和(自身を含む): 34659456

約数和(自身を除く): 13776153

約数列:

[1, 3, 7, 9, 21, 63, 211, 633, 1477, 1571, 1899, 4431, 4713, 10997, 13293, 14139, 32991, 98973, 331481, 994443, 2320367, 2983329, 6961101, 20883303]

約数ペア:

[(1, 20883303), (3, 6961101), (7, 2983329), (9, 2320367), (21, 994443), (63, 331481), (211, 98973), (633, 32991), (1477, 14139), (1571, 13293), (1899, 10997), (4431, 4713)]