20216272993

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{321143}}^1$

素因数の和:321213

約数の個数: 24

約数和(自身を含む): 25573339008

約数和(自身を除く): 5357066015

約数列:

[1, 7, 17, 23, 119, 161, 391, 529, 2737, 3703, 8993, 62951, 321143, 2248001, 5459431, 7386289, 38216017, 51704023, 125566913, 169884647, 878968391, 1189192529, 2888038999, 20216272993]

約数ペア:

[(1, 20216272993), (7, 2888038999), (17, 1189192529), (23, 878968391), (119, 169884647), (161, 125566913), (391, 51704023), (529, 38216017), (2737, 7386289), (3703, 5459431), (8993, 2248001), (62951, 321143)]