20847568

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8093}}^1$

素因数の和:8131

約数の個数: 40

約数和(自身を含む): 48175488

約数和(自身を除く): 27327920

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 8093, 16186, 32372, 56651, 64744, 113302, 129488, 186139, 226604, 372278, 453208, 744556, 906416, 1302973, 1489112, 2605946, 2978224, 5211892, 10423784, 20847568]

約数ペア:

[(1, 20847568), (2, 10423784), (4, 5211892), (7, 2978224), (8, 2605946), (14, 1489112), (16, 1302973), (23, 906416), (28, 744556), (46, 453208), (56, 372278), (92, 226604), (112, 186139), (161, 129488), (184, 113302), (322, 64744), (368, 56651), (644, 32372), (1288, 16186), (2576, 8093)]