20673527

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1759}}^1$

素因数の和:1862

約数の個数: 16

約数和(自身を含む): 25006080

約数和(自身を除く): 4332553

約数列:

[1, 7, 23, 73, 161, 511, 1679, 1759, 11753, 12313, 40457, 128407, 283199, 898849, 2953361, 20673527]

約数ペア:

[(1, 20673527), (7, 2953361), (23, 898849), (73, 283199), (161, 128407), (511, 40457), (1679, 12313), (1759, 11753)]