20454973

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1259}}^1$

素因数の和:1488

約数の個数: 16

約数和(自身を含む): 25643520

約数和(自身を除く): 5188547

約数列:

[1, 7, 11, 77, 211, 1259, 1477, 2321, 8813, 13849, 16247, 96943, 265649, 1859543, 2922139, 20454973]

約数ペア:

[(1, 20454973), (7, 2922139), (11, 1859543), (77, 265649), (211, 96943), (1259, 16247), (1477, 13849), (2321, 8813)]