31920464

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{28099}}^1$

素因数の和:28178

約数の個数: 20

約数和(自身を含む): 62719200

約数和(自身を除く): 30798736

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 28099, 56198, 112396, 224792, 449584, 1995029, 3990058, 7980116, 15960232, 31920464]

約数ペア:

[(1, 31920464), (2, 15960232), (4, 7980116), (8, 3990058), (16, 1995029), (71, 449584), (142, 224792), (284, 112396), (568, 56198), (1136, 28099)]