20440118

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{607}}^1$

素因数の和:871

約数の個数: 16

約数和(自身を含む): 31190400

約数和(自身を除く): 10750282

約数列:

[1, 2, 113, 149, 226, 298, 607, 1214, 16837, 33674, 68591, 90443, 137182, 180886, 10220059, 20440118]

約数ペア:

[(1, 20440118), (2, 10220059), (113, 180886), (149, 137182), (226, 90443), (298, 68591), (607, 33674), (1214, 16837)]