20009157

素因数分解:

$3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{5323}}^1$

素因数の和:5512

約数の個数: 16

約数和(自身を含む): 30666240

約数和(自身を除く): 10657083

約数列:

[1, 3, 7, 21, 179, 537, 1253, 3759, 5323, 15969, 37261, 111783, 952817, 2858451, 6669719, 20009157]

約数ペア:

[(1, 20009157), (3, 6669719), (7, 2858451), (21, 952817), (179, 111783), (537, 37261), (1253, 15969), (3759, 5323)]