20897777377

素因数分解:

${\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1\times {\mathrm{27539}}^1$

素因数の和:27896

約数の個数: 16

約数和(自身を含む): 21890995200

約数和(自身を除く): 993217823

約数列:

[1, 29, 137, 191, 3973, 5539, 26167, 27539, 758843, 798631, 3772843, 5259949, 109412447, 152538521, 720613013, 20897777377]

約数ペア:

[(1, 20897777377), (29, 720613013), (137, 152538521), (191, 109412447), (3973, 5259949), (5539, 3772843), (26167, 798631), (27539, 758843)]