20488142

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1\times {\mathrm{367}}^1$

素因数の和:743

約数の個数: 16

約数和(自身を含む): 31229952

約数和(自身を除く): 10741810

約数列:

[1, 2, 103, 206, 271, 367, 542, 734, 27913, 37801, 55826, 75602, 99457, 198914, 10244071, 20488142]

約数ペア:

[(1, 20488142), (2, 10244071), (103, 198914), (206, 99457), (271, 75602), (367, 55826), (542, 37801), (734, 27913)]