20565181

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3373}}^1$

素因数の和:3460

約数の個数: 16

約数和(自身を含む): 25696384

約数和(自身を除く): 5131203

約数列:

[1, 7, 13, 67, 91, 469, 871, 3373, 6097, 23611, 43849, 225991, 306943, 1581937, 2937883, 20565181]

約数ペア:

[(1, 20565181), (7, 2937883), (13, 1581937), (67, 306943), (91, 225991), (469, 43849), (871, 23611), (3373, 6097)]