20172154

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{887}}^1$

素因数の和:1109

約数の個数: 16

約数和(自身を含む): 30881088

約数和(自身を除く): 10708934

約数列:

[1, 2, 83, 137, 166, 274, 887, 1774, 11371, 22742, 73621, 121519, 147242, 243038, 10086077, 20172154]

約数ペア:

[(1, 20172154), (2, 10086077), (83, 243038), (137, 147242), (166, 121519), (274, 73621), (887, 22742), (1774, 11371)]