20166807

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{911}}^1$

素因数の和:1118

約数の個数: 16

約数和(自身を含む): 27666432

約数和(自身を除く): 7499625

約数列:

[1, 3, 47, 141, 157, 471, 911, 2733, 7379, 22137, 42817, 128451, 143027, 429081, 6722269, 20166807]

約数ペア:

[(1, 20166807), (3, 6722269), (47, 429081), (141, 143027), (157, 128451), (471, 42817), (911, 22137), (2733, 7379)]