20707834

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{77849}}^1$

素因数の和:77877

約数の個数: 16

約数和(自身を含む): 37368000

約数和(自身を除く): 16660166

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 77849, 155698, 544943, 1089886, 1479131, 2958262, 10353917, 20707834]

約数ペア:

[(1, 20707834), (2, 10353917), (7, 2958262), (14, 1479131), (19, 1089886), (38, 544943), (133, 155698), (266, 77849)]