20676586

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:598

約数の個数: 32

約数和(自身を含む): 37313280

約数和(自身を除く): 16636694

約数列:

[1, 2, 7, 14, 23, 46, 157, 161, 314, 322, 409, 818, 1099, 2198, 2863, 3611, 5726, 7222, 9407, 18814, 25277, 50554, 64213, 65849, 128426, 131698, 449491, 898982, 1476899, 2953798, 10338293, 20676586]

約数ペア:

[(1, 20676586), (2, 10338293), (7, 2953798), (14, 1476899), (23, 898982), (46, 449491), (157, 131698), (161, 128426), (314, 65849), (322, 64213), (409, 50554), (818, 25277), (1099, 18814), (2198, 9407), (2863, 7222), (3611, 5726)]